English Antonyms for ACT 16 (American College Testing) Vocabulary Words – Online Quiz!

abash (verb) /əˈbæʃ/
Definition: To embarrass, disconcert, or cause someone to feel self-conscious or ashamed.
Antonyms quiz: Choose the opposite meaning of abash.
Options: chagrin; daunt; discomfit; embolden
Answer: embolden
Example sentence: "The unexpected compliment made him blush, but it didn't abash him."

abdicate (verb) /ˈabdɪkeɪt/
Definition: To formally renounce or give up a position of power or responsibility, such as a throne or a office.
Antonyms quiz: Choose the opposite meaning of abdicate.
Options: abjure; abnegate; forgo; assume
Answer: assume
Example sentence: "The CEO had to abdicate his position due to a scandal."

acquiesce (verb) /ˌakwɪˈɛs/
Definition: To accept or comply with something, usually without protest or resistance.
Antonyms quiz: Choose the opposite meaning of acquiesce.
Options: agree; allow; approve; resist
Answer: resist
Example sentence: "The team decided to acquiesce to the captain's decision."

acrimony (noun) /ˈakrɪməni/
Definition: Anger and bitterness between people who disagree strongly and do not like each other.
Antonyms quiz: Choose the opposite meaning of acrimony.
Options: animosity; antagonism; bitterness; amity
Answer: amity
Example sentence: "It started as a simple disagreement and escalated into bitter acrimony."

adapt (verb) /əˈdæpt/
Definition: To adjust, modify, or change oneself, one's behavior, or one's approach in order to better fit or accommodate a new or different situation, environment, or circumstance.
Antonyms quiz: Choose the opposite meaning of adapt.
Options: accommodate; adjust; alter; resist
Answer: resist
Example sentence: "The immigrant worked hard to adapt to the language and customs of their new country."

adhere (verb) /ədˈhɪr/
Definition: To believe in and follow the practices or principles of a particular person, group, or ideology.
Antonyms quiz: Choose the opposite meaning of adhere.
Options: comply; fulfill; heed; disregard
Answer: disregard
Example sentence: "Employees must adhere to the company's code of conduct."

agitate (verb) /ˈædʒ ɪˌteɪt/
Definition: To stir, disturb, or cause unrest or dissatisfaction in someone or something.
Antonyms quiz: Choose the opposite meaning of agitate.
Options: discompose; disquiet; disturb; calm
Answer: calm
Example sentence: "In the debate, his controversial views will agitate the audience."

agog (adjective) /əˈɡɒɡ/
Definition: Eager anticipation, excitement, or curiosity about something that is about to happen or has captured one's interest.
Antonyms quiz: Choose the opposite meaning of agog.
Options: anticipatory; anxious; breathless; indifferent
Answer: indifferent
Example sentence: "The town was agog with anticipation for the annual festival that was about to begin."

allude (verb) /əˈl(j)uːd/
Definition: To make an indirect reference or suggestion to something without stating it directly.
Antonyms quiz: Choose the opposite meaning of allude.
Options: hint; imply; indicate; ignore
Answer: ignore
Example sentence: "The author's choice of words in the poem subtly alludes to themes of love and loss."

ambiguity (noun) /ambɪˈɡjuːɪti/
Definition: The quality of being open to more than one interpretation.
Antonyms quiz: Choose the opposite meaning of ambiguity.
Options: doubt; equivocation; inconclusiveness; clarity
Answer: clarity
Example sentence: "His speech was filled with intentional ambiguity."

ancillary (adjective) /anˈsɪləri/
Definition: Auxiliary, supplementary, or additional, often in a supportive or secondary role.
Antonyms quiz: Choose the opposite meaning of ancillary.
Options: accessory; added; auxiliary; primary
Answer: primary
Example sentence: "The hotel offered ancillary amenities like a spa, gym, and complimentary breakfast."

annul (verb) /əˈnʌl/
Definition: To declare something as null and void, effectively canceling or invalidating it as if it never existed or had any legal or binding effect.
Antonyms quiz: Choose the opposite meaning of annul.
Options: cancel; invalidate; negate; ratify
Answer: ratify
Example sentence: "The decision to annul the election results shocked the nation."

antagonist (noun) /ænˈtæg ə nɪst/
Definition: A character or force in a literary work, such as a novel, play, or film, who opposes or stands in conflict with the protagonist.
Antonyms quiz: Choose the opposite meaning of antagonist.
Options: adversary; challenger; contender; protagonist
Answer: protagonist
Example sentence: "Fearless, Jane confronts the antagonist, eyes filled with determination."

astound (verb) /əˈstaʊnd/
Definition: To shock or greatly surprise someone, often with something that is unexpected or remarkable.
Antonyms quiz: Choose the opposite meaning of astound.
Options: amaze; astonish; bewilder; underwhelm
Answer: underwhelm
Example sentence: "Her incredible talent for singing will astound anyone who hears her."

bigot (noun) /ˈbɪɡət/
Definition: A person who holds prejudiced views towards people who belong to a particular group, such as a different race, religion, or cultural background.
Antonyms quiz: Choose the opposite meaning of bigot.
Options: chauvinist; dogmatist; extremist; tolerant
Answer: tolerant
Example sentence: "It's important to challenge the harmful beliefs of a bigot."

censor (verb) /ˈsɛnsər/
Definition: To examine and remove or suppress information, opinions, or artistic expression that are considered objectionable or harmful by those in authority.
Antonyms quiz: Choose the opposite meaning of censor.
Options: bowdlerize; cut; delete; expose
Answer: expose
Example sentence: "Many authoritarian regimes censor the internet to control the flow of information."

conceptual (adjective) /kənˈsɛp tʃu əl/
Definition: Relating to or based on abstract ideas, concepts, or mental frameworks rather than concrete or physical aspects.
Antonyms quiz: Choose the opposite meaning of conceptual.
Options: abstract; cerebral; ideational; concrete
Answer: concrete
Example sentence: "The team engaged in a conceptual discussion to generate innovative ideas for the project."

condescend (verb) /ˌkɒn dəˈsɛnd/
Definition: To behave in a patronizing or superior manner towards others, often accompanied by a sense of superiority or arrogance.
Antonyms quiz: Choose the opposite meaning of condescend.
Options: belittle; demean; deride; respect
Answer: respect
Example sentence: "She often condescends with such an air of superiority that her peers do not enjoy working with her."

consign (verb) /kənˈsʌɪn/
Definition: To entrust something or someone to the care of another person or entity for safekeeping or disposal.
Antonyms quiz: Choose the opposite meaning of consign.
Options: assign; commit; convey; reclaim
Answer: reclaim
Example sentence: "He will consign the antique books to a rare book dealer."

covetous (adjective) /ˈkʌvɪtəs/
Definition: Having or showing an excessive or obsessive desire to possess something that belongs to another person.
Antonyms quiz: Choose the opposite meaning of covetous.
Options: acquisitive; avaricious; envious; content
Answer: content
Example sentence: "She had a covetous desire for fame and fortune."

curt (adjective) /kəːt/
Definition: Brief, abrupt, and often lacking in elaborate details or unnecessary niceties.
Antonyms quiz: Choose the opposite meaning of curt.
Options: blunt; brusque; concise; lengthy
Answer: lengthy
Example sentence: "The customer was unhappy with the curt service."

debauch (verb) /dɪˈbɔtʃ/
Definition: To corrupt, seduce, or lead someone astray, particularly in relation to their moral values, principles, or behavior.
Antonyms quiz: Choose the opposite meaning of debauch.
Options: allure; corrupt; defile; purify
Answer: purify
Example sentence: "The marketing campaign was criticized for trying to debauch young minds."

demur (verb) /dɪˈməː/
Definition: To express hesitation, objection, or reluctance to do something, typically in response to a request, proposal, or suggestion.
Antonyms quiz: Choose the opposite meaning of demur.
Options: cavil; complain; disagree; agree
Answer: agree
Example sentence: "The teacher asked for volunteers, but the students seemed to demur."

deprave (verb) /dɪˈpreɪv/
Definition: To corrupt, pervert, or morally degrade someone or something.
Antonyms quiz: Choose the opposite meaning of deprave.
Options: contaminate; corrupt; debauch; improve
Answer: improve
Example sentence: "He was warned about the negative influence of certain friends who might deprave his judgment."

deter (verb) /dɪˈtɜr/
Definition: To discourage or prevent someone from taking a particular action by creating fear or doubt in their mind.
Antonyms quiz: Choose the opposite meaning of deter.
Options: avert; block; curb; encourage
Answer: encourage
Example sentence: "Posting warning signs can deter trespassers from entering private property."

disavow (verb) /dɪsəˈvaʊ/
Definition: To deny knowledge of or responsibility for something, often officially or publicly.
Antonyms quiz: Choose the opposite meaning of disavow.
Options: abjure; contradict; deny; acknowledge
Answer: acknowledge
Example sentence: "He attempted to disavow responsibility for the project's failure."

diverge (verb) /dʌɪˈvəːdʒ/
Definition: To separate or move in different directions from a common point or path.
Antonyms quiz: Choose the opposite meaning of diverge.
Options: branch; conflict; deviate; converge
Answer: converge
Example sentence: "The road starts to diverge after the bridge, so be careful which way you go."

dogma (noun) /ˈdɔg mə/
Definition: A set of principles, beliefs, or doctrines that are established as unquestionable truths within a particular system of thought, ideology, or religion.
Antonyms quiz: Choose the opposite meaning of dogma.
Options: belief; canon; conviction; doubt
Answer: doubt
Example sentence: "The organization's dogma dictated strict hierarchical structures and obedience to authority."

dole (noun) /doʊl/
Definition: A form of welfare or social assistance provided by the government to individuals who are unemployed or otherwise in need of financial support.
Antonyms quiz: Choose the opposite meaning of dole.
Options: aid; alms; benefit; wealth
Answer: wealth
Example sentence: "The unemployed individuals received their weekly dole payments."

endow (verb) /ɪnˈdaʊ/
Definition: To provide something with a particular quality or attribute, usually a positive one.
Antonyms quiz: Choose the opposite meaning of endow.
Options: bequeath; bless; enrich; deprive
Answer: deprive
Example sentence: "Philanthropists regularly endow art institutions to promote the visual arts."

entrench (verb) /ɪnˈtrɛn(t)ʃ/
Definition: To establish or ingrain something deeply and firmly, often to the point where it becomes difficult to change or remove.
Antonyms quiz: Choose the opposite meaning of entrench.
Options: anchor; embed; engrain; dislodge
Answer: dislodge
Example sentence: "The government plans to entrench stricter regulations to combat pollution."

ergo (adverb) /ˈəːɡəʊ/
Definition: To indicate a logical inference or conclusion drawn from preceding statements or reasoning.
Antonyms quiz: Choose the opposite meaning of ergo.
Options: accordingly; consequently; hence; nonetheless
Answer: nonetheless
Example sentence: "The data suggests that the theory is correct, ergo we should proceed with further research."

existential (adjective) /ˌɛɡzɪˈstɛnʃ(ə)l/
Definition: Concerned with the nature of human existence and experience.
Antonyms quiz: Choose the opposite meaning of existential.
Options: empirical; experiential; experimental; irrelevant
Answer: irrelevant
Example sentence: "The novel explored deep existential themes of identity and choice."

faux (adjective) /fɔks /
Definition: Not genuine or authentic, but rather an imitation or reproduction of the real thing.
Antonyms quiz: Choose the opposite meaning of faux.
Options: bogus; counterfeit; fake; genuine
Answer: genuine
Example sentence: "The movie set had faux windows and doors to create the illusion of a real building."

flush (verb) /flʌʃ/
Definition: To cause a flow of liquid, usually water, through a space or area to cleanse, clean, or remove something.
Antonyms quiz: Choose the opposite meaning of flush.
Options: blush; cleanse; clear; clog
Answer: clog
Example sentence: "If you flush the radiator, it will run more efficiently."

fore (adjective) /fɔr/
Definition: Situated or located at, near, or toward the front part of an object or space.
Antonyms quiz: Choose the opposite meaning of fore.
Options: advance; ahead; anterior; back
Answer: back
Example sentence: "The fore deck of the ship provided a perfect view of the coastline."

genial (adjective) /ˈdʒin yəl/
Definition: Having a warm and friendly disposition or mannerism exhibited by a person.
Antonyms quiz: Choose the opposite meaning of genial.
Options: affable; agreeable; amiable; unfriendly
Answer: unfriendly
Example sentence: "The restaurant’s genial ambiance made it the perfect spot for our family dinner."

heir (noun) /eə/
Definition: A person who is entitled to inherit the property, assets, or title of a deceased individual.
Antonyms quiz: Choose the opposite meaning of heir.
Options: beneficiary; devisee; heiress; dispossessor
Answer: dispossessor
Example sentence: "She is the sole heir to her wealthy uncle's estate."

hench (adjective) /hɛntʃ/
Definition: Exceptionally muscular, strong, or physically imposing.
Antonyms quiz: Choose the opposite meaning of hench.
Options: beefy; brawny; buff; weak
Answer: weak
Example sentence: "The hench bouncer at the club made sure no troublemakers got in."

impart (verb) /ɪmˈpɑːt/
Definition: To communicate or pass on information, knowledge, or a skill to someone else.
Antonyms quiz: Choose the opposite meaning of impart.
Options: bestow; confer; convey; withhold
Answer: withhold
Example sentence: "The workshop will impart essential skills to the participants."

incense (verb) /ˈɪn sɛns/
Definition: To cause strong feelings of anger, annoyance, or indignation in someone.
Antonyms quiz: Choose the opposite meaning of incense.
Options: anger; enrage; exasperate; please
Answer: please
Example sentence: "She knew her decision would incense them, yet stood firm, unswayed, brave."

indiscriminate (adjective) /ˌɪndɪˈskrɪmɪnət/
Definition: Something that is done at random or without careful judgement.
Antonyms quiz: Choose the opposite meaning of indiscriminate.
Options: aimless; chaotic; haphazard; selective
Answer: selective
Example sentence: "The indiscriminate attack caused widespread fear and panic."

induct (verb) /ɪnˈdʌkt/
Definition: To admit someone into a group, organization, or position, typically through a formal or ceremonial process.
Antonyms quiz: Choose the opposite meaning of induct.
Options: admit; commission; enlist; expel
Answer: expel
Example sentence: "The hall of fame will induct legendary athletes into its ranks."

inebriate (verb) /ɪˈniːbrɪeɪt/
Definition: To make someone drunk or intoxicated with alcohol or other substances.
Antonyms quiz: Choose the opposite meaning of inebriate.
Options: befuddle; besot; drug; sober
Answer: sober
Example sentence: "Be careful with this cocktail; its tropical flavor can mask how quickly it might inebriate you."

infringe (verb) /ɪnˈfrɪn(d)ʒ/
Definition: To violate or encroach upon a law, rule, right, or boundary, often resulting in a breach of established standards or limits.
Antonyms quiz: Choose the opposite meaning of infringe.
Options: breach; contravene; defy; respect
Answer: respect
Example sentence: "Be careful that your actions do not infringe on company policy."

intern (noun) /ˈɪn tɜrn/
Definition: An individual who is in a temporary position within an organization, typically for the purpose of gaining practical experience or furthering their education in a specific field.
Antonyms quiz: Choose the opposite meaning of intern.
Options: acolyte; apprentice; assistant; expert
Answer: expert
Example sentence: "During her internship, she gained valuable hands-on experience in the marketing department."

inundate (verb) /ˈɪnʌndeɪt/
Definition: To overwhelm someone with too many things or people to deal with, making it difficult for them to manage or cope.
Antonyms quiz: Choose the opposite meaning of inundate.
Options: bury; deluge; drown; underwhelm
Answer: underwhelm
Example sentence: "Sales events can inundate retail staff with more customers than they can manage."

irk (verb) /ɜrk/
Definition: To be annoyed, irritated, or bothered by someone or something.
Antonyms quiz: Choose the opposite meaning of irk.
Options: agitate; annoy; bother; please
Answer: please
Example sentence: "The repetitive commercials on TV irk many viewers."

peddle (verb) /ˈpɛdl/
Definition: To sell or promote goods, typically in a persistent or sometimes aggressive manner, often while moving from place to place.
Antonyms quiz: Choose the opposite meaning of peddle.
Options: distribute; flog; hawk; buy
Answer: buy
Example sentence: "The door-to-door salesman attempted to peddle his vacuum cleaners to homeowners."

peeve (verb) /piv/
Definition: To irritate, annoy, or vex someone or something.
Antonyms quiz: Choose the opposite meaning of peeve.
Options: agitate; annoy; bother; please
Answer: please
Example sentence: "Nothing will peeve a patient customer more than rude service."

persona (noun) /pəˈsəʊnə/
Definition: The social role or identity that a person presents to others in a particular context or situation.
Antonyms quiz: Choose the opposite meaning of persona.
Options: appearance; character; façade; reality
Answer: reality
Example sentence: "The actor's portrayal of the character required a dramatic change in persona."

plea (noun) /pli/
Definition: An earnest and emotional request or appeal made by an individual to another person, authority, or entity.
Antonyms quiz: Choose the opposite meaning of plea.
Options: appeal; application; cry; command
Answer: command
Example sentence: "The charity organization made a plea for donations to support their cause."

politic (adjective) /ˈpɒlɪtɪk/
Definition: Marked by shrewdness, prudence, and strategic thinking within the realm of politics or other sensitive situations.
Antonyms quiz: Choose the opposite meaning of politic.
Options: advisable; astute; diplomatic; imprudent
Answer: imprudent
Example sentence: "He maintains a politic stance, ensuring strategic success in politics."

portent (noun) /ˈpɔr tɛnt/
Definition: A sign, omen, or indication that is believed to foreshadow or signify something significant or momentous, often with an air of foreboding or significance.
Antonyms quiz: Choose the opposite meaning of portent.
Options: augury; foreboding; foreshadowing; non-indicator
Answer: non-indicator
Example sentence: "The blood-red moon was viewed as a portent of impending doom."

principle (noun) /ˈprɪn sə pə/
Definition: A fundamental truth, law, or belief that serves as a foundation or guiding concept.
Antonyms quiz: Choose the opposite meaning of principle.
Options: axiom; belief; concept; falsehood
Answer: falsehood
Example sentence: "Our school's guiding principle is a commitment to lifelong learning."

profuse (adjective) /prəˈfjus/
Definition: Characterized by an extravagant, abundant, or excessive quantity or degree.
Antonyms quiz: Choose the opposite meaning of profuse.
Options: ample; bounteous; bountiful; sparse
Answer: sparse
Example sentence: "He showered her with profuse apologies for his mistake."

rasp (verb) /ræsp/
Definition: To produce a harsh, grating sound or sensation.
Antonyms quiz: Choose the opposite meaning of rasp.
Options: abrade; chafe; file; soothe
Answer: soothe
Example sentence: "As he sanded the wooden table, the rasp of the sandpaper filled the air."

refuge (noun) /ˈrɛfjuːdʒ/
Definition: A place or condition that offers shelter, protection, or safety, especially to individuals who are seeking sanctuary or relief from danger, hardship, or adversity.
Antonyms quiz: Choose the opposite meaning of refuge.
Options: asylum; harbor; haven; danger
Answer: danger
Example sentence: "He found refuge in his religion during difficult times."

remiss (adjective) /rɪˈmɪs/
Definition: Negligent, careless, or lax in fulfilling one's responsibilities, duties, or obligations.
Antonyms quiz: Choose the opposite meaning of remiss.
Options: culpable; derelict; dilatory; diligent
Answer: diligent
Example sentence: "His remiss attitude led to missed opportunities."

remit (noun) /rɪˈmɪt/
Definition: A specific task, responsibility, or area of authority that has been assigned or delegated to someone.
Antonyms quiz: Choose the opposite meaning of remit.
Options: area; authority; charge; disregard
Answer: disregard
Example sentence: "The committee's remit was to evaluate and propose changes to the existing policies."

rollick (verb) /ˈrɒl ɪk/
Definition: To play or behave in a carefree and lively manner, often with unrestrained enthusiasm or exuberance.
Antonyms quiz: Choose the opposite meaning of rollick.
Options: caper; cavort; fling; mope
Answer: mope
Example sentence: "He could still remember the times when they used to rollick in the meadow."

saturate (verb) /ˈsatʃəreɪt/
Definition: To completely fill or soak something to the point of complete absorption or capacity.
Antonyms quiz: Choose the opposite meaning of saturate.
Options: drench; flood; imbue; dry
Answer: dry
Example sentence: "The artist used bold colors to saturate the canvas."

sentiment (noun) /ˈsɛntɪm(ə)nt/
Definition: The prevailing emotional tone or attitude towards a particular person, idea, or situation.
Antonyms quiz: Choose the opposite meaning of sentiment.
Options: belief; feelings; impression; indifference
Answer: indifference
Example sentence: "Expressing sentiment through art is a powerful form of communication."

spur (verb) /spɜr/
Definition: To stimulate, encourage, or incite someone or something to take action or to move forward.
Antonyms quiz: Choose the opposite meaning of spur.
Options: encourage; galvanize; ignite; deter
Answer: deter
Example sentence: "The rewards program is designed to spur customer loyalty."

teem (verb) /tiːm/
Definition: To be full or overflowing with something, usually in reference to living things or natural phenomena.
Antonyms quiz: Choose the opposite meaning of teem.
Options: abound; brim; bristle; lack
Answer: lack
Example sentence: "May the seas teem with fish and the skies with birds to fill the earth."

troposphere (noun) /ˈtrɒpəsfɪə/
Definition: The lowest layer of the Earth's atmosphere, extending from the surface up to an altitude of around 7 to 20 kilometers (4 to 12 miles).
Antonyms quiz: Choose the opposite meaning of troposphere.
Options: air; atmosphere; climate; stratosphere
Answer: stratosphere
Example sentence: "On a clear day, the blue of the sky is the reflected color of the troposphere."

tumult (noun) /ˈtu məlt/
Definition: A state of uproar, chaos, or commotion characterized by loud and confused noise.
Antonyms quiz: Choose the opposite meaning of tumult.
Options: chaos; clamor; commotion; calm
Answer: calm
Example sentence: "The tumult of the busy market was overwhelming to him, preferring quieter places."

umbra (noun) /ˈʌmbrə/
Definition: The darkest part of a shadow, where light is completely blocked by an object.
Antonyms quiz: Choose the opposite meaning of umbra.
Options: blackness; darkness; dimness; light
Answer: light
Example sentence: "The scientist studied the properties of the umbra to understand the nature of shadows."

valid (adjective) /ˈvæl ɪd/
Definition: Logical, well-founded, or based on sound reasoning.
Antonyms quiz: Choose the opposite meaning of valid.
Options: acceptable; applicable; authentic; invalid
Answer: invalid
Example sentence: "Her argument was deemed valid by the panel of experts."

vociferous (adjective) /və(ʊ)ˈsɪf(ə)rəs/
Definition: Loud and outspoken in expressing opinions or feelings.
Antonyms quiz: Choose the opposite meaning of vociferous.
Options: boisterous; clamorous; loud; quiet
Answer: quiet
Example sentence: "The protesters were vociferous in their demand for change."

wassail (verb) /ˈwɒseɪl/
Definition: To celebrate by drinking alcohol and singing loudly with friends, especially during Christmas time.
Antonyms quiz: Choose the opposite meaning of wassail.
Options: carouse; celebrate; cheer; abstain
Answer: abstain
Example sentence: "Nothing beats a cold night where the community gathers to wassail together."

wayfarer (noun) /ˈweɪˌfɛːrə/
Definition: A person who travels on foot or by other means, often for long distances or extended periods of time.
Antonyms quiz: Choose the opposite meaning of wayfarer.
Options: drifter; itinerant; nomad; resident
Answer: resident
Example sentence: "The old inn was a familiar rest stop for every weary wayfarer."

wayward (adjective) /ˈweɪwəd/
Definition: Difficult to control or predict, often because of a lack of discipline or direction.
Antonyms quiz: Choose the opposite meaning of wayward.
Options: capricious; contrary; defiant; compliant
Answer: compliant
Example sentence: "The wayward arrow missed the target, getting lost in the trees."

yarn (noun) /yɑrn/
Definition: A continuous strand of fibers, such as wool or cotton, used in knitting, crocheting, or weaving to create textiles and fabrics.
Antonyms quiz: Choose the opposite meaning of yarn.
Options: cord; fiber; filament; truth
Answer: truth
Example sentence: "The group sat around the campfire, spinning yarns and sharing ghost stories."

zeitgeist (noun) /ˈzʌɪtɡʌɪst/
Definition: The general cultural, intellectual, and moral climate of a particular era or time period.
Antonyms quiz: Choose the opposite meaning of zeitgeist.
Options: atmosphere; aura; character; stagnation
Answer: stagnation
Example sentence: "The music of a period often reflects the prevailing zeitgeist."