English Antonyms for ACT 9 (American College Testing) Vocabulary Words – Online Quiz!

akin (adjective) /əˈkɪn/
Definition: Having a similarity or resemblance between two or more things, suggesting that they are related or have a common nature or quality.
Antonyms quiz: Choose the opposite meaning of akin.
Options: alike; allied; cognate; unrelated
Answer: unrelated
Example sentence: "Their music is akin to a soothing lullaby."

anatomical (adjective) /ˌæn əˈtɒm ɪ kəl/
Definition: Pertaining to the study or description of the structure and organization of living organisms, particularly their bodily components.
Antonyms quiz: Choose the opposite meaning of anatomical.
Options: bodily; corporeal; morphological; abstract
Answer: abstract
Example sentence: "Surgeons must have a deep understanding of anatomical structures."

animated (adjective) /ˈænəˌmeɪtəd/
Definition: Full of life, energy, and characterized by movement and activity.
Antonyms quiz: Choose the opposite meaning of animated.
Options: buoyant; dynamic; energetic; lethargic
Answer: lethargic
Example sentence: "The cartoon character had an animated expression on its face."

annual (adjective) /ˈæn yu əl/
Definition: An event, publication, or report that occurs, is published, or is produced once every year.
Antonyms quiz: Choose the opposite meaning of annual.
Options: anniversary; annualized; annum; irregular
Answer: irregular
Example sentence: "The school yearbook is an annual publication."

apparatus (noun) /ˌæp əˈræt əs/
Definition: A complex set of tools, equipment, or machinery used for a specific purpose or in a particular field of work.
Antonyms quiz: Choose the opposite meaning of apparatus.
Options: appliance; contraption; device; disarray
Answer: disarray
Example sentence: "The circus featured impressive aerial apparatus."

assurance (noun) /əˈʃʊər əns/
Definition: A sense of confidence, certainty, or guarantee about something.
Antonyms quiz: Choose the opposite meaning of assurance.
Options: certainty; confidence; conviction; doubt
Answer: doubt
Example sentence: "He provided assurance to his team that he would support them throughout the project."

atrocious (adjective) /əˈtroʊ ʃəs/
Definition: Extremely evil, cruel, or horrifying, often causing great shock or disgust.
Antonyms quiz: Choose the opposite meaning of atrocious.
Options: abominable; appalling; despicable; commendable
Answer: commendable
Example sentence: "The neighborhood was plagued by an atrocious crime wave."

audacious (adjective) /ɔˈdeɪ ʃəs/
Definition: Displaying a bold, daring, or fearless nature, often characterized by a willingness to take risks or challenge conventional norms.
Antonyms quiz: Choose the opposite meaning of audacious.
Options: bold; brave; courageous; timid
Answer: timid
Example sentence: "The child's audacious question to the teacher caught everyone off guard."

autocracy (noun) /ɔˈtɒk rə si/
Definition: A system of government in which unlimited power is concentrated in the hands of a single individual or a small group of individuals.
Antonyms quiz: Choose the opposite meaning of autocracy.
Options: absolutism; authoritarianism; despotism; democracy
Answer: democracy
Example sentence: "The autocracy's policies were enforced without any public consultation or input."

awash (adjective) /əˈwɒʃ/
Definition: Overflowing or filled with a large amount of something, typically a liquid.
Antonyms quiz: Choose the opposite meaning of awash.
Options: abundant; excessive; flooded; dry
Answer: dry
Example sentence: "The newsroom was awash with reporters covering the breaking story."

babble (verb) /ˈbæb əl/
Definition: To speak rapidly and incoherently, producing unintelligible or nonsensical sounds or words.
Antonyms quiz: Choose the opposite meaning of babble.
Options: blabber; blather; chatter; articulate
Answer: articulate
Example sentence: "As they played with their toys, the babies began to babble to each other in their secret language."

barbaric (adjective) /bɑrˈbær ɪk/
Definition: Characterized by extreme cruelty, brutality, or savagery.
Antonyms quiz: Choose the opposite meaning of barbaric.
Options: bloodthirsty; brutal; cruel; civilized
Answer: civilized
Example sentence: "The barbaric act of slavery dehumanized countless individuals throughout history."

barrage (noun) /ˈbarɑːʒ/
Definition: A sustained or continuous flow of verbal criticism, questions or accusations.
Antonyms quiz: Choose the opposite meaning of barrage.
Options: assault; attack; battery; trickle
Answer: trickle
Example sentence: "During the debate, he endured a relentless barrage of attacks from opponents."

befuddle (verb) /bɪˈfʌd l/
Definition: To cause someone to become confused, perplexed, or bewildered.
Antonyms quiz: Choose the opposite meaning of befuddle.
Options: baffle; bamboozle; bewilder; clarify
Answer: clarify
Example sentence: "She could always befuddle her opponents with her quick wit and sarcasm."

berate (verb) /bɪˈreɪt/
Definition: To scold or criticize someone severely, often in a harsh or abusive manner.
Antonyms quiz: Choose the opposite meaning of berate.
Options: castigate; censure; chide; praise
Answer: praise
Example sentence: "Don't berate yourself over small mistakes."

blatant (adjective) /ˈbleɪtnt/
Definition: Done or shown in an obvious and intentional way, without any attempt to hide or disguise it.
Antonyms quiz: Choose the opposite meaning of blatant.
Options: brazen; conspicuous; glaring; subtle
Answer: subtle
Example sentence: "Her blatant lie, delivered with a straight face, was easily exposed by the contradictory evidence."

bogus (adjective) /ˈbəʊɡəs/
Definition: Fake, counterfeit, or not genuine, often intended to deceive or mislead.
Antonyms quiz: Choose the opposite meaning of bogus.
Options: counterfeit; dummy; false; genuine
Answer: genuine
Example sentence: "The counterfeit bills were so well-made that they initially appeared genuine, but they were ultimately revealed as bogus."

bounty (noun) /ˈbaʊnti/
Definition: An abundance or generous supply of something, often tangible goods, resources, or benefits, that are given or received freely and generously.
Antonyms quiz: Choose the opposite meaning of bounty.
Options: abundance; bonanza; copiousness; scarcity
Answer: scarcity
Example sentence: "The holiday feast featured a bounty of delicious dishes."

burgeoning (adjective) /ˈbəːdʒ(ə)nɪŋ/
Definition: Rapidly growing, expanding, or developing, often in a flourishing or prosperous manner.
Antonyms quiz: Choose the opposite meaning of burgeoning.
Options: advancing; blooming; blossoming; shrinking
Answer: shrinking
Example sentence: "The burgeoning city experienced rapid growth and expansion."

capillary (noun) /kəˈpɪl(ə)ri/
Definition: A tiny blood vessel that connects the arterioles (small arteries) and venules (small veins) in the body's circulatory system.
Antonyms quiz: Choose the opposite meaning of capillary.
Options: blood; delicate; fine; artery
Answer: artery
Example sentence: "Capillary health is crucial for proper circulation."

capitalize (verb) /ˈkæpətəˌlaɪz/
Definition: To gain an advantage or benefit from a particular situation or circumstance.
Antonyms quiz: Choose the opposite meaning of capitalize.
Options: benefit; employ; exploit; ignore
Answer: ignore
Example sentence: "The athlete's endorsement deals allowed him to capitalize on his fame and success."

catastrophe (noun) /kəˈtæs trə fi/
Definition: A severe and often sudden event or situation that causes widespread destruction, suffering, or loss.
Antonyms quiz: Choose the opposite meaning of catastrophe.
Options: adversity; calamity; cataclysm; blessing
Answer: blessing
Example sentence: "A flood, a horrific catastrophe, left the town submerged and people homeless."

centenary (noun) /ˈsɛntəˌnɛri/
Definition: A period of one hundred years, or a celebration or commemoration of a one hundredth anniversary.
Antonyms quiz: Choose the opposite meaning of centenary.
Options: anniversary; celebration; centennial; brief
Answer: brief
Example sentence: "The museum held a special exhibition for its centenary."

charismatic (adjective) /ˌkær ɪzˈmæt ɪk/
Definition: Possessing a compelling charm, magnetism, and an innate ability to captivate and influence others.
Antonyms quiz: Choose the opposite meaning of charismatic.
Options: alluring; appealing; captivating; unappealing
Answer: unappealing
Example sentence: "His charismatic smile and confident demeanor made him the center of attention wherever he went."

clout (noun) /klaʊt/
Definition: The influence or power one possesses, particularly in a political or social sense.
Antonyms quiz: Choose the opposite meaning of clout.
Options: authority; hit; impact; powerlessness
Answer: powerlessness
Example sentence: "The politician relied on his clout to push through controversial legislation."

colony (noun) /ˈkɒl ə ni/
Definition: A group of individuals or organisms of the same species that live together in a specific geographic area, often characterized by a shared purpose, social structure, and interdependence.
Antonyms quiz: Choose the opposite meaning of colony.
Options: aggregation; assemblage; collective; individual
Answer: individual
Example sentence: "The British established a colony in the new land, aiming to expand their influence and resources."

commotion (noun) /kəˈmoʊ ʃən/
Definition: A state of chaotic or noisy disturbance, often characterized by a tumultuous uproar or flurry of activity.
Antonyms quiz: Choose the opposite meaning of commotion.
Options: ado; chaos; clamor; peace
Answer: peace
Example sentence: "She walked into the room, and immediately her fiery red hair caused a commotion."

contemporary (adjective) /kənˈtɛmp(ə)r(ər)i/
Definition: Belonging to or characteristic of the present time or era.
Antonyms quiz: Choose the opposite meaning of contemporary.
Options: current; designer; fashionable; outdated
Answer: outdated
Example sentence: "The novel explores contemporary social issues."

critical (adjective) /krɪtɪkəl/
Definition: Referring to a high degree of importance or significance attributed to something.
Antonyms quiz: Choose the opposite meaning of critical.
Options: crucial; decisive; essential; trivial
Answer: trivial
Example sentence: "The report provided a critical analysis of the company's financial performance."

culminate (verb) /ˈkʌlmɪneɪt/
Definition: To reach a peak, the highest point, or the conclusion of a development.
Antonyms quiz: Choose the opposite meaning of culminate.
Options: climax; close; complete; begin
Answer: begin
Example sentence: "The conference will culminate in a panel discussion on the future of the industry."

culprit (noun) /ˈkʌlprɪt/
Definition: A person or thing that is responsible for committing a crime, error, or wrongdoing.
Antonyms quiz: Choose the opposite meaning of culprit.
Options: criminal; crook; felon; innocent
Answer: innocent
Example sentence: "The true culprit of the accident was a malfunctioning brake system."

declaration (noun) /ˌdɛk ləˈreɪ ʃən/
Definition: A formal or explicit statement or announcement made to convey a specific position, intention, or assertion.
Antonyms quiz: Choose the opposite meaning of declaration.
Options: affirmation; announcement; assertion; retraction
Answer: retraction
Example sentence: "The company issued a declaration of bankruptcy, shocking its employees."

deficient (adjective) /dɪˈfɪʃ ənt/
Definition: Lacking or inadequate
Antonyms quiz: Choose the opposite meaning of deficient.
Options: defective; flawed; inadequate; sufficient
Answer: sufficient
Example sentence: "The training program at the company was severely deficient in practical applications."

deflect (verb) /dɪˈflɛkt/
Definition: To cause something to deviate or change direction, typically by bouncing off or redirecting its course.
Antonyms quiz: Choose the opposite meaning of deflect.
Options: avert; bounce; deviate; attract
Answer: attract
Example sentence: "The politician skillfully deflected the reporter's probing questions."

detractor (noun) /dɪˈtræk tər/
Definition: A person who actively criticizes, disparages, or speaks negatively about someone or something.
Antonyms quiz: Choose the opposite meaning of detractor.
Options: adversary; antagonist; critic; supporter
Answer: supporter
Example sentence: "The author's work received acclaim from many, but there were still a few detractors who dismissed it as shallow."

disqualify (verb) /dɪsˈkwɒl əˌfaɪ/
Definition: To declare someone or something as ineligible or unfit for a particular position, opportunity, or competition due to certain criteria or violations.
Antonyms quiz: Choose the opposite meaning of disqualify.
Options: ban; blackball; debar; qualify
Answer: qualify
Example sentence: "The referee had to disqualify the boxer for illegal punches."

domain (noun) /doʊˈmeɪn/
Definition: A distinct and definable area, realm, or scope that is characterized by its own set of attributes, boundaries, or subject matter.
Antonyms quiz: Choose the opposite meaning of domain.
Options: arena; dominion; jurisdiction; periphery
Answer: periphery
Example sentence: "The company's success in the business domain is unparalleled."

dynamism (noun) /ˈdʌɪnəmɪz(ə)m/
Definition: The quality of being full of energy, movement, and open to positive change.
Antonyms quiz: Choose the opposite meaning of dynamism.
Options: drive; enterprise; gusto; lethargy
Answer: lethargy
Example sentence: "The new product launch was a testament to the company's dynamism."

emigrate (verb) /ˈɛm ɪˌgreɪt/
Definition: To permanently leave one's own country or region to settle in another.
Antonyms quiz: Choose the opposite meaning of emigrate.
Options: depart; immigrate; journey; return
Answer: return
Example sentence: "The young artist decided to emigrate to Paris to join the bustling art scene."

endorsement (noun) /ɛnˈdɔrs mənt/
Definition: The act of giving approval, support, or public recognition to someone or something.
Antonyms quiz: Choose the opposite meaning of endorsement.
Options: accreditation; approval; authorization; disapproval
Answer: disapproval
Example sentence: "The politician sought the endorsement of prominent community leaders to gain support for their campaign."

entourage (noun) /ˈɒntʊrɑːʒ/
Definition: A group of people who accompany someone, especially a celebrity or important figure, in their personal and professional life.
Antonyms quiz: Choose the opposite meaning of entourage.
Options: associates; companions; company; adversary
Answer: adversary
Example sentence: "The celebrity's entourage included stylists, makeup artists, and personal assistants."

envious (adjective) /ˈɛn vi əs/
Definition: Characterized by a strong desire to possess or achieve something that someone else has.
Antonyms quiz: Choose the opposite meaning of envious.
Options: begrudging; covetous; desirous; content
Answer: content
Example sentence: "Helen's envious coworkers whispered behind her back, envious of her recent promotion."

excursion (noun) /ɪkˈskəːʃn/
Definition: A short trip or journey, usually for pleasure or a specific purpose.
Antonyms quiz: Choose the opposite meaning of excursion.
Options: cruise; detour; digression; stay
Answer: stay
Example sentence: "I booked an excursion to explore the coral reefs while visiting the island."

fumbling (noun) /ˈfʌmbᵊlɪŋ/
Definition: The act or state of handling something clumsily or without precision.
Antonyms quiz: Choose the opposite meaning of fumbling.
Options: awkwardness; blunder; botching; adept
Answer: adept
Example sentence: "The magician's fumbling with the deck of cards revealed his lack of practice."

gluttony (noun) /ˈɡlʌtəni/
Definition: The overindulgence and overconsumption of food or drink.
Antonyms quiz: Choose the opposite meaning of gluttony.
Options: edacity; gourmandize; greed; moderation
Answer: moderation
Example sentence: "His insatiable gluttony for sugary treats was a constant battle he fought."

haywire (adjective) /ˈheɪˌwaɪr/
Definition: In a state of extreme disorder, chaos, or malfunction, often implying that it has gone completely awry or out of control.
Antonyms quiz: Choose the opposite meaning of haywire.
Options: chaotic; disordered; disorganized; functional
Answer: functional
Example sentence: "The computer's operating system went haywire, leading to data loss."

hectic (adjective) /ˈhɛk tɪk/
Definition: Characterized by intense and chaotic activity, often causing a sense of pressure, rush, or busyness.
Antonyms quiz: Choose the opposite meaning of hectic.
Options: active; bustling; busy; calm
Answer: calm
Example sentence: "Trying to juggle multiple tasks at once, Tom felt overwhelmed by the hectic pace of his day."

immense (adjective) /ɪˈmɛns/
Definition: Extraordinarily large in size, extent, or magnitude.
Antonyms quiz: Choose the opposite meaning of immense.
Options: colossal; enormous; expansive; small
Answer: small
Example sentence: "As we entered the stadium, the immense crowd roared with excitement, filling the air with anticipation."

incentivize (verb) /ɪnˈsɛn tɪˌvaɪz/
Definition: To provide motivation or rewards in order to encourage certain behavior or actions.
Antonyms quiz: Choose the opposite meaning of incentivize.
Options: drive; encourage; galvanize; discourage
Answer: discourage
Example sentence: "To promote healthy eating habits, the school incentivizes students with rewards for choosing nutritious meals."

inequality (noun) /ˌɪn ɪˈkwɒl ɪ ti/
Definition: The state or condition of being unequal or lacking fairness in the distribution of resources, opportunities, rights, or privileges among individuals or groups within a society.
Antonyms quiz: Choose the opposite meaning of inequality.
Options: bias; discrimination; disparity; equality
Answer: equality
Example sentence: "The social inequality between the rich and the poor is stark in this city."

insulate (verb) /ˈɪn səˌleɪt/
Definition: To protect or isolate something, typically an object, space, or system, from external influences, particularly temperature changes, sound, or electrical current.
Antonyms quiz: Choose the opposite meaning of insulate.
Options: barricade; buffer; cocoon; expose
Answer: expose
Example sentence: "He decided to insulate the attic to keep the house warmer in winter."

interlace (verb) /ˌɪn tərˈleɪs
Definition: To weave or intertwine different elements or parts together to create a unified whole.
Antonyms quiz: Choose the opposite meaning of interlace.
Options: braid; enlace; entwine; separate
Answer: separate
Example sentence: "To create a strong structure, the architect recommended to interlace steel beams."

irrational (adjective) /ɪræʃənəl/
Definition: Lacking reason, logic, or sound judgment.
Antonyms quiz: Choose the opposite meaning of irrational.
Options: absurd; crazy; delusional; rational
Answer: rational
Example sentence: "The company's decision to lay off experienced employees and retain less qualified ones seemed irrational from a business perspective."

knickknack (noun) /ˈnɪkˌnæk/
Definition: A small decorative item or trinket, often considered to have little practical value but cherished for its aesthetic appeal or sentimental significance.
Antonyms quiz: Choose the opposite meaning of knickknack.
Options: bauble; bibelot; bric-a-brac; essential
Answer: essential
Example sentence: "The antique store had a vast selection of unique knickknack."

limit (verb) /ˈlɪm ɪt/
Definition: To impose boundaries, restrictions, or constraints on something or someone.
Antonyms quiz: Choose the opposite meaning of limit.
Options: bound; cap; circumscribe; allow
Answer: allow
Example sentence: "Please limit your contributions to two minutes during the meeting."

materialism (noun) /məˈtɪəriəlɪzᵊm/
Definition: A philosophical and ideological stance that places a strong emphasis on material possessions and physical comforts as the primary factors in human life.
Antonyms quiz: Choose the opposite meaning of materialism.
Options: acquisitiveness; affluence; capitalism; spirituality
Answer: spirituality
Example sentence: "Materialism places emphasis on the acquisition of material possessions."

moderation (noun) /ˌmɒdəˈreɪʃn/
Definition: The act of avoiding extremes or excesses in one's behavior or attitudes.
Antonyms quiz: Choose the opposite meaning of moderation.
Options: balance; constraint; discipline; excess
Answer: excess
Example sentence: "She advocated for moderation in all things."

monopolize (verb) /məˈnɒp əˌlaɪz/
Definition: To gain exclusive control or dominance over a particular market, industry, or resource, thereby eliminating or significantly reducing competition.
Antonyms quiz: Choose the opposite meaning of monopolize.
Options: command; control; corner; share
Answer: share
Example sentence: "The government imposed regulations to prevent any single company from monopolizing the energy sector."

naive (adjective) /nʌɪˈiːv/
Definition: Lacking experience or awareness about the complexities of the world, often viewing situations and people in an overly trusting and uncritical manner.
Antonyms quiz: Choose the opposite meaning of naive.
Options: artless; callow; childlike; worldly
Answer: worldly
Example sentence: "The young girl's naive demeanor made her an easy target for the con artist."

nonetheless (adverb) /ˌnʌnðəˈlɛs/
Definition: To indicate contrast or contradiction between two ideas or statements.
Antonyms quiz: Choose the opposite meaning of nonetheless.
Options: although; anyway; but; therefore
Answer: therefore
Example sentence: "The meeting was long and boring, but we got a lot done nonetheless."

partake (verb) /pɑrˈteɪk/
Definition: To participate in or share something, such as an activity, event, food, or experience.
Antonyms quiz: Choose the opposite meaning of partake.
Options: consume; engage; enjoy; abstain
Answer: abstain
Example sentence: "Let's partake in the festivities at the neighborhood block party."

phantom (noun) /ˈfæn təm/
Definition: An imaginary or illusory entity that appears to be real but lacks physical substance or existence.
Antonyms quiz: Choose the opposite meaning of phantom.
Options: apparition; eidolon; ghost; reality
Answer: reality
Example sentence: "The detective pursued the phantom through the dark alleyways, trying to uncover its true identity."

precedent (noun) /ˈprɛsɪd(ə)nt/
Definition: An earlier example of a situation, event, or decision that serves as a future guide.
Antonyms quiz: Choose the opposite meaning of precedent.
Options: authority; criterion; example; anomaly
Answer: anomaly
Example sentence: "The legal team researched similar cases for precedent."

prejudice (noun) /ˈprɛdʒ ə dɪs/
Definition: A preconceived opinion or judgment about a person, group, or situation that is formed without sufficient knowledge, experience, or rational consideration.
Antonyms quiz: Choose the opposite meaning of prejudice.
Options: animosity; bias; bigotry; impartiality
Answer: impartiality
Example sentence: "Her success in the face of prejudice is a testament to her resilience."

prequel (noun) /ˈpriːkw(ə)l/
Definition: A work of art, such as a movie, book, or television series, that is set in a time period that precedes the events of a previous work.
Antonyms quiz: Choose the opposite meaning of prequel.
Options: antecedent; backstory; beginnings; sequel
Answer: sequel
Example sentence: "The prequel was set decades before the events of the original movie."

prolong (verb) /prəˈlɒŋ/
Definition: To extend the duration or length of something, typically an event, a process, or a state of being.
Antonyms quiz: Choose the opposite meaning of prolong.
Options: continue; delay; elongate; shorten
Answer: shorten
Example sentence: "His speech seemed to prolong the meeting unnecessarily."

respecting (preposition) /rɪˈspɛk tɪŋ/
Definition: Consideration, acknowledgement, or reference to a particular subject, topic, or aspect.
Antonyms quiz: Choose the opposite meaning of respecting.
Options: about; apropos; concerning; ignoring
Answer: ignoring
Example sentence: "The policy strictly enforces rules respecting data privacy."

scarcity (noun) /ˈskɛər sɪ ti/
Definition: A state or condition of limited availability or insufficient supply of a particular resource, commodity, or item.
Antonyms quiz: Choose the opposite meaning of scarcity.
Options: absence; dearth; deficiency; abundance
Answer: abundance
Example sentence: "Scarcity of food in remote areas causes health and nutritional problems."

seagoing (adjective) /ˈsiˌgoʊ ɪŋ/
Definition: Designed, suitable, or capable of traveling or operating on the sea or other large bodies of water.
Antonyms quiz: Choose the opposite meaning of seagoing.
Options: aquatic; boating; marine; land-based
Answer: land-based
Example sentence: "They used a small, seagoing kayak to explore the hidden coves along the coast."

settlement (noun) /ˈsɛt l mənt/
Definition: A place or location where people establish permanent residence or dwellings.
Antonyms quiz: Choose the opposite meaning of settlement.
Options: accord; agreement; arrangement; wilderness
Answer: wilderness
Example sentence: "The conflict between the two parties was resolved through a peaceful settlement."

sponsorship (noun) /ˈspɒn sər ʃɪp/
Definition: A mutual arrangement or partnership in which an individual, organization, or entity provides support, resources, or financial backing to another individual, organization, or event.
Antonyms quiz: Choose the opposite meaning of sponsorship.
Options: assistance; backing; contribution; opposition
Answer: opposition
Example sentence: "The marathon runner wore a jersey adorned with the logos of their sponsors as part of their sponsorship agreement."

spook (noun) /spuk/
Definition: A person or entity, often characterized as a ghost or specter, that is believed to be supernatural or haunting in nature.
Antonyms quiz: Choose the opposite meaning of spook.
Options: apparition; bogeyman; ghost; reality
Answer: reality
Example sentence: "The children giggled as they tried to spook each other with ghost stories."

submersible (adjective) /səbˈmɜr sə bəl/
Definition: Capable of being submerged or operated underwater.
Antonyms quiz: Choose the opposite meaning of submersible.
Options: abyssal; bathyscaphe; bottomless; non-waterproof
Answer: non-waterproof
Example sentence: "Our company develops innovative submersible technology for marine research."

sustenance (noun) /ˈsʌstɪnəns/
Definition: Food and drink that is necessary for maintaining life and health.
Antonyms quiz: Choose the opposite meaning of sustenance.
Options: eatables; edibles; nourishment; poison
Answer: poison
Example sentence: "The restaurant serves a variety of delicious sustenance to its patrons."

unconscious (adjective) /ʌnˈkɒn ʃəs/
Definition: Devoid of awareness, perception, or conscious thought.
Antonyms quiz: Choose the opposite meaning of unconscious.
Options: comatose; immobile; inanimate; conscious
Answer: conscious
Example sentence: "She was unaware of her surroundings, lying still and unconscious on the hospital bed."