Online English Vocabulary Flashcards for ACT 6 (American College Testing) Words

accordance (noun) /əˈkɔr dns/
Definition: A state or condition of agreement, conformity, or harmony between two or more things.
Example Sentence: "The new regulations were implemented in accordance with government guidelines."
Synonyms: agreement; alignment; compliance; concordance; concurrence; conformity
Opposite Meaning: conflict

affectionate (adjective) /əˈfɛk ʃə nɪt/
Definition: Displaying a genuine and warm affection or fondness towards others.
Example Sentence: "The little girl gave her grandmother an affectionate kiss on the cheek."
Synonyms: adoring; attentive; caring; cuddly; devoted; doting
Opposite Meaning: cold

aftermath (noun) /ˈæf tərˌmæθ/
Definition: The period or consequences that occur immediately after a significant event or situation, particularly one that has caused disruption, destruction, or change.
Example Sentence: "The aftermath of the earthquake left the city in ruins and its residents in a state of shock."
Synonyms: aftereffects; backlash; conclusion; consequences; outcome; ramifications
Opposite Meaning: precursor

aggrieved (adjective) /əˈɡriːvd/
Definition: Wronged, offended, or unfairly treated, often as a result of perceived injustice or mistreatment.
Example Sentence: "She felt aggrieved by the way she was treated by her colleagues."
Synonyms: disappointed; discontent; disgruntled; displeased; dissatisfied; disturbed
Opposite Meaning: satisfied

allege (verb) /əˈlɛdʒ/
Definition: To assert or claim something to be true or factual, typically without presenting concrete proof or evidence at that moment.
Example Sentence: "The employees allege that they were unfairly dismissed without cause."
Synonyms: affirm; assert; avow; claim; contend; declare
Opposite Meaning: prove

allied (adjective) /əˈlaɪd/
Definition: Connected, associated, or aligned with another entity through a formal or informal alliance or partnership.
Example Sentence: "The allied forces fought together against a common enemy."
Synonyms: affiliated; associated; collaborative; combined; connected; cooperative
Opposite Meaning: opposed

amenity (noun) /əˈmiːnɪti/
Definition: A feature or service that is provided for the comfort or convenience of people.
Example Sentence: "An on-site cafe is a convenient amenity for office workers."
Synonyms: accessory; accouterment; benefit; enhancement; enrichment; extra
Opposite Meaning: inconvenience

amphibious (adjective) /amˈfɪbɪəs/
Definition: Capable of living or existing in both aquatic and terrestrial environments.
Example Sentence: "The frog's amphibious nature allowed it to thrive in various environments."
Synonyms: amphibian; aquatic; marine; natatorial; pelagic; subaquatic
Opposite Meaning: terrestrial

amplify (verb) /ˈæm pləˌfaɪ/
Definition: To increase the intensity, magnitude, or volume of something.
Example Sentence: "The charity organization utilized social media platforms to amplify their fundraising efforts."
Synonyms: augment; boost; enhance; enlarge; escalate; expand
Opposite Meaning: reduce

anxious (adjective) /ˈæŋk ʃəs/
Definition: Unease, worry, or apprehension, typically caused by an uncertain or potentially challenging situation.
Example Sentence: "He grew increasingly anxious as the deadline approached."
Synonyms: agitated; apprehensive; concerned; edgy; fretful; jumpy
Opposite Meaning: calm

apprehensive (adjective) /ˌaprɪˈhɛnsɪv/
Definition: Worry, fear, or unease about something that may happen in the future.
Example Sentence: "He was apprehensive about speaking in front of a large crowd."
Synonyms: anxious; cautious; concerned; disquieted; jittery; jumpy
Opposite Meaning: confident

articulated (adjective) /ɑːˈtɪkjʊleɪtɪd/
Definition: Connected or joined together in a way that allows for flexibility and movement.
Example Sentence: "The bus was an articulated vehicle with two sections connected by a hinge."
Synonyms: attached; bendable; coupled; hinged; jointed; linked
Opposite Meaning: rigid

biometric (adjective) /ˌbaɪ əˈmɛ trɪk/
Definition: Pertaining to the measurement, analysis, and identification of unique biological characteristics and features of living organisms.
Example Sentence: "His biometric data, such as fingerprints and iris patterns, were used to access the high-security vault."
Synonyms: distinctive; facial; fingerprinted; identifiable; individualized; personal
Opposite Meaning: imprecise

brisk (adjective) /brɪsk/
Definition: Quick, energetic, and lively in nature.
Example Sentence: "She took a brisk walk in the morning to start her day with energy."
Synonyms: active; bustling; energetic; fast; hasty; lively
Opposite Meaning: sluggish

characterization (noun) /ˌkær ɪk tər əˈzeɪ ʃən/
Definition: The methods and tools employed by an author to reveal the personalities, traits, motivations, and behaviors of the characters to the audience or readers.
Example Sentence: "The author's expert characterization brought the protagonist to life on the pages."
Synonyms: analysis; delineation; depiction; description; embodiment; personification
Opposite Meaning: misrepresentation

comply (verb) /kəmˈplʌɪ/
Definition: To follow or adhere to a request, rule, or law.
Example Sentence: "He had to comply with the terms of his probation."
Synonyms: accede; accept; acquiesce; agree; assent; concur
Opposite Meaning: defy

comprehension (noun) /ˌkɒm prɪˈhɛn ʃən/
Definition: The ability to understand, grasp, or make sense of information, ideas, or concepts.
Example Sentence: "The comprehension of abstract concepts required deep reflection and analysis."
Synonyms: apprehension; assimilation; awareness; cognition; conception; discernment
Opposite Meaning: ignorance

contradiction (noun) /ˌkɒn trəˈdɪk ʃən/
Definition: A situation or statement in which two or more elements, ideas, or facts are mutually exclusive or conflict with one another.
Example Sentence: "The politician's statement was a blatant contradiction of his earlier position on the issue."
Synonyms: clash; conflict; dichotomy; disagreement; discord; discrepancy
Opposite Meaning: agreement

controversy (noun) /ˈkɒn trəˌvɜr si/
Definition: A state or condition of disagreement, debate, or conflict arising from differing opinions, beliefs, or perspectives on a particular matter.
Example Sentence: "The politician's remarks sparked a heated controversy among voters."
Synonyms: altercation; argument; clash; conflict; contention; debate
Opposite Meaning: agreement

crux (noun) /krʌks/
Definition: The most important or essential part of something, the core or the heart of the matter.
Example Sentence: "The crux of the problem was a lack of communication."
Synonyms: body; core; essence; gist; heart; kernel
Opposite Meaning: periphery

culture (noun) /ˈkʌlʧə/
Definition: The collective set of beliefs, values, customs, traditions, behaviors, and artifacts that define and shape the way of life of a particular group of people.
Example Sentence: "Traditional dances and music are significant aspects of a nation's culture."
Synonyms: civilization; community; customs; ethos; heritage; lifestyle
Opposite Meaning: ignorance

defiant (adjective) /dɪˈfʌɪənt/
Definition: Showing bold resistance or open disobedience to authority or norms.
Example Sentence: "The teenager had a defiant attitude towards their parents' rules."
Synonyms: challenging; confrontational; contrary; contumacious; disobedient; insubordinate
Opposite Meaning: compliant

demote (verb) /dɪˈmoʊt/
Definition: To reduce someone to a lower rank or position, often due to poor performance or organizational restructuring.
Example Sentence: "The coach had to demote the star player to the bench for breaking team rules."
Synonyms: declass; degrade; depose; devalue; dismiss; disrate
Opposite Meaning: promote

derive (verb) /dəˈraɪv/
Definition: To obtain or receive something, usually information, from a particular source.
Example Sentence: "The scientist was able to derive a new formula from his experiments."
Synonyms: acquire; deduce; draw; elicit; extract; gather
Opposite Meaning: give

dispirited (adjective) /dɪˈspɪrɪtɪd/
Definition: Describing a state of low spirits, dejection, or a lack of enthusiasm and motivation.
Example Sentence: "She looked dispirited after receiving the rejection letter from the university."
Synonyms: crestfallen; dejected; demoralized; depressed; despondent; disconsolate
Opposite Meaning: cheerful

diversity (noun) /daɪˈvɜːsəti/
Definition: The presence of a wide range of unique and distinct elements within a particular group, community, or society.
Example Sentence: "Embracing diversity promotes a more inclusive and tolerant society."
Synonyms: assortment; breadth; difference; disparity; distinctiveness; divergence
Opposite Meaning: uniformity

domineering (adjective) /ˌdɒm əˈnɪər ɪŋ/
Definition: Asserting excessive control or authority over others in an overbearing or oppressive manner.
Example Sentence: "His domineering behavior made it difficult for others to express their opinions."
Synonyms: authoritarian; autocratic; bossy; commanding; controlling; dictatorial
Opposite Meaning: submissive

dredge (verb) /drɛʤ/
Definition: To remove unwanted materials, debris, or sediments from the bottom of a body of water or other surface.
Example Sentence: "The search team decided to dredge the river for evidence related to the crime."
Synonyms: clear; dig; discover; evacuate; excavate; extract
Opposite Meaning: bury

embody (verb) /ɪmˈbɒdi/
Definition: To represent or personify a particular quality, idea or concept in a tangible form.
Example Sentence: "The song's lyrics embody the emotions of heartbreak and loss."
Synonyms: actualize; encompass; epitomize; exemplify; exhibit; incarnate
Opposite Meaning: disconnect

endowment (noun) /ɛnˈdaʊ mənt/
Definition: A substantial sum of money, property, or assets that are donated or bequeathed to an organization, institution, or individual for the purpose of providing ongoing financial support.
Example Sentence: "The generous endowment allowed the university to establish a new scholarship program."
Synonyms: benefaction; bequest; contribution; donation; fund; funding
Opposite Meaning: deprivation

entail (verb) /ɛnˈteɪl/
Definition: To necessitate or require certain actions, consequences, or conditions as a direct result of a particular situation, decision, or event.
Example Sentence: "The job will entail long hours and a lot of travel."
Synonyms: comprise; constitute; contain; demand; encompass; entangle
Opposite Meaning: exclude

establishment (noun) /ɪstæblɪʃmənt/
Definition: An organization, institution, or system that has been established and is widely recognized or accepted.
Example Sentence: "The university's medical school is a renowned establishment known for its cutting-edge research."
Synonyms: authority; body; company; corporation; enterprise; entity
Opposite Meaning: disorganization

exert (verb) /ɪgˈzɜrt/
Definition: To apply physical or mental effort, force, or influence in order to accomplish a task or achieve a particular outcome.
Example Sentence: "If you exert more control over your impulses, you’ll make better decisions."
Synonyms: apply; employ; exertion; grapple; labor; push
Opposite Meaning: relax

fate (noun) /feɪt/
Definition: The supposed predetermined outcome or course of events that one believes is beyond human control.
Example Sentence: "It felt like fate had brought them together at that exact moment."
Synonyms: chance; destiny; doom; fortune; karma; kismet
Opposite Meaning: chance

flaccid (adjective) /ˈflasɪd/
Definition: Limp, lacking firmness, or devoid of the expected tension or stiffness.
Example Sentence: "His muscles had become flaccid after months of inactivity."
Synonyms: droopy; flabby; flimsy; floppy; loose; mushy
Opposite Meaning: firm

flawless (adjective) /ˈflɔːləs/
Definition: Entirely free from defects, imperfections, or errors, possessing a quality of perfection that leaves no room for criticism or improvement.
Example Sentence: "Her flawless performance left the audience in awe."
Synonyms: exemplary; faultless; ideal; immaculate; impeccable; irreproachable
Opposite Meaning: flawed

grave (adjective) /greɪv/
Definition: Serious, solemn, or weighty in nature.
Example Sentence: "The judge delivered a grave verdict, reflecting the severity of the crime."
Synonyms: critical; dire; important; momentous; serious; severe
Opposite Meaning: trivial

hoard (verb) /hɔrd/
Definition: To accumulate and store a large quantity of something, often to the point of excess or obsession.
Example Sentence: "She tends to hoard items she believes will be valuable in the future."
Synonyms: amass; cache; collect; gather; retain; save
Opposite Meaning: distribute

hurried (adjective) /ˈhɜr id/
Definition: Done or occurring quickly, often due to a sense of urgency or a need to complete a task or reach a destination promptly.
Example Sentence: "The hurried packing resulted in forgetting some essential items for the trip."
Synonyms: accelerated; brisk; expeditious; fast; hasty; immediate
Opposite Meaning: leisurely

ignite (verb) /ɪgˈnaɪt/
Definition: To cause something to start burning or catching fire.
Example Sentence: "His inspirational words managed to ignite a sense of purpose in the crowd."
Synonyms: arouse; incite; inflame; initiate; kindle; light
Opposite Meaning: extinguish

illegitimate (adjective) /ˌɪlɪˈdʒɪtɪmət/
Definition: Lacking proper authorization, validity, or legality, often due to a lack of adherence to established rules, norms, or procedures.
Example Sentence: "The actor was accused of fathering an illegitimate child with his mistress."
Synonyms: illegal; illicit; improper; incorrect; spurious; unauthorized
Opposite Meaning: legitimate

immobile (adjective) /ɪˈmoʊ bəl/
Definition: Incapable of movement or unable to be moved easily.
Example Sentence: "The abandoned ship lay immobile in the harbor, covered in rust and seaweed."
Synonyms: dormant; fixed; inert; motionless; rooted; stable
Opposite Meaning: movable

improper (adjective) /ɪmˈprɒp ər/
Definition: Not in accordance with accepted standards, rules, or principles.
Example Sentence: "The employee received a warning for his improper use of company resources."
Synonyms: inappropriate; incorrect; indecent; irregular; misguided; unacceptable
Opposite Meaning: proper

infatuation (noun) /ɪnˌfætʃ uˈeɪ ʃən/
Definition: An intense but short-lived passion or attraction towards someone or something.
Example Sentence: "She mistook her infatuation for true love, only to realize her mistake later on."
Synonyms: ardor; captivation; crush; desire; enchantment; fancy
Opposite Meaning: indifference

inhabitant (noun) /ɪnˈhabɪt(ə)nt/
Definition: A person or creature that resides in a particular place or habitat, whether it be a city, region, country, or ecosystem.
Example Sentence: "The city's oldest inhabitant shared stories of its history."
Synonyms: citizen; denizen; dweller; indigene; inmate; local
Opposite Meaning: outsider

interim (adjective) /ˈɪntərəm/
Definition: Temporary or intended to be used only for a short period of time.
Example Sentence: "We have appointed an interim manager while we search for a permanent replacement."
Synonyms: acting; caretaker; improvised; makeshift; provisional; stopgap
Opposite Meaning: permanent

interlude (noun) /ˈɪntəl(j)uːd/
Definition: A short interval or period of time between two main events, actions, or parts of something, often serving as a break or interruption in the flow.
Example Sentence: "The interlude gave us a much-needed break from the tension of the play."
Synonyms: break; gap; hiatus; intermission; interval; lull
Opposite Meaning: continuation

intervene (verb) /ˌɪn tərˈvin/
Definition: To come between or involve oneself in a situation or conflict in order to influence its outcome or provide assistance.
Example Sentence: "The therapist decided to intervene in the couple's escalating argument."
Synonyms: arbitrate; intercede; interfere; interject; interpose; interrupt
Opposite Meaning: ignore

justification (noun) /ˌdʒʌs tə fɪˈkeɪ ʃən/
Definition: The act or process of providing valid reasons or explanations to support a belief, action, decision, or course of conduct.
Example Sentence: "She provided a strong justification for her absence, explaining the family emergency."
Synonyms: defense; excuse; explanation; grounds; pretext; rationale
Opposite Meaning: condemnation

legible (adjective) /ˈlɛdʒ ə bəl/
Definition: Clear and easy to read or decipher.
Example Sentence: "The handwriting on the note was barely legible, making it difficult to decipher the message."
Synonyms: clear; coherent; comprehensible; decipherable; distinct; explicit
Opposite Meaning: illegible

livelihood (noun) /ˈlaɪv liˌhʊd/
Definition: The means or source of income or sustenance by which individuals or households support themselves and meet their basic needs.
Example Sentence: "Tourism plays a vital role in supporting the local livelihoods in the coastal town."
Synonyms: career; employment; income; job; living; means
Opposite Meaning: dependency

maestro (noun) /ˈmaɪ stroʊ/
Definition: A person of exceptional skill and expertise, particularly in the field of music or conducting.
Example Sentence: "The renowned maestro conducted a spellbinding performance that left the audience in awe."
Synonyms: artist; conductor; director; expert; guru; leader
Opposite Meaning: novice

maritime (adjective) /ˈmær ɪˌtaɪm/
Definition: Associated with the sea or seafaring.
Example Sentence: "The maritime museum showcased artifacts and exhibits related to the region's seafaring history."
Synonyms: aquatic; briny; coastal; marine; nautical; naval
Opposite Meaning: inland

minuscule (adjective) /ˈmɪnɪskjuːl/
Definition: Extremely small or tiny, often to the point of being almost imperceptible.
Example Sentence: "The particles in the air were minuscule and invisible to the naked eye."
Synonyms: diminutive; infinitesimal; Lilliputian; little; microscopic; miniature
Opposite Meaning: huge

momentary (adjective) /ˈmoʊ mənˌtɛr i/
Definition: Lastsing for a very short period of time or occurring in an instant.
Example Sentence: "He had a momentary lapse in judgment and said something he instantly regretted."
Synonyms: brief; ephemeral; evanescent; fleeting; instantaneous; passing
Opposite Meaning: permanent

myth (noun) /mɪθ/
Definition: A traditional story or tale that explains the beliefs, customs, or origins of a society or culture.
Example Sentence: "The myth of Atlantis describes a lost city submerged beneath the sea."
Synonyms: fable; fantasy; folklore; legend; lore; narrative
Opposite Meaning: fact

nestle (verb) /ˈnɛs əl/
Definition: To position in a snug, cozy, and secure manner, typically by snuggling or settling comfortably into a particular space or against someone or something.
Example Sentence: "The puppies nestle against each other for warmth and comfort during the night."
Synonyms: burrow; cuddle; curl; embrace; huddle; lie
Opposite Meaning: separate

neutral (adjective) /ˈnu trəl/
Definition: Impartiality, absence of bias, or lack of favoritism towards any particular side, opinion, or position.
Example Sentence: "The country declared its intention to remain neutral in the conflict."
Synonyms: balanced; detached; disinterested; equitable; fair; impartial
Opposite Meaning: partial

notwithstanding (preposition) /ˌnɒt wɪðˈstæn dɪŋ/
Definition: Indicating an exception or contrast to a previous statement or condition.
Example Sentence: "He remained confident, notwithstanding the negative feedback he received."
Synonyms: although; anyway; despite; however; nevertheless; nonetheless
Opposite Meaning: because of

obscenity (noun) /əbˈsɛn ɪ ti/
Definition: Something that is considered offensive, indecent, or morally objectionable, particularly in terms of explicit sexual content or language.
Example Sentence: "The comedian's jokes pushed the boundaries of obscenity, leaving some audience members uncomfortable."
Synonyms: crudity; filth; impropriety; indecency; indecorum; lewdness
Opposite Meaning: decency

paramount (adjective) /ˈparəmaʊnt/
Definition: Holding the highest, most important, or supreme position within a particular context or hierarchy.
Example Sentence: "Protecting national security was of paramount concern to the government."
Synonyms: cardinal; foremost; highest; predominant; prime; principal
Opposite Meaning: trivial

perpetuate (verb) /pərˈpɛtʃ uˌeɪt/
Definition: To prolong, sustain, or continue a situation, condition, or belief, often in a negative or harmful sense.
Example Sentence: "Old libraries perpetuate the wisdom of the past through ancient books."
Synonyms: continue; endure; eternize; extend; immortalize; maintain
Opposite Meaning: cease

precursor (noun) /prɪˈkəːsə/
Definition: Something that comes before and leads to the development or existence of something else.
Example Sentence: "The research was a precursor to major breakthroughs in the field."
Synonyms: antecedent; forebear; forerunner; harbinger; herald; pioneer
Opposite Meaning: consequence

proceeds (noun) /ˈprəʊsiːdz/
Definition: The money or profits obtained from a particular source or activity.
Example Sentence: "She donated all the proceeds from her book sales to a children's literacy foundation."
Synonyms: earnings; funds; gains; income; money; profits
Opposite Meaning: loss

prompt (adjective) /prɒmpt/
Definition: Without delay or hesitation, or occurring or performed at the expected or designated time.
Example Sentence: "The prompt arrival of the ambulance saved the accident victim's life."
Synonyms: brisk; efficient; expedient; fast; immediate; instant
Opposite Meaning: delayed

pucker (verb) /ˈpʌkər/
Definition: To gather or contract into small, tight folds or wrinkles, typically as a result of being squeezed or pinched.
Example Sentence: "She couldn't help but pucker her lips when tasting the sour lemon."
Synonyms: compress; contract; crease; crinkle; fold; furrow
Opposite Meaning: smooth

realm (noun) /relm/
Definition: A distinct and defined domain or sphere that encompasses a particular area of knowledge, existence, or activity.
Example Sentence: "The realm of technology is constantly evolving, with new innovations shaping our daily lives."
Synonyms: arena; domain; field; kingdom; province; sector
Opposite Meaning: void

recurring (adjective) /rɪˈkɜr ɪŋ/
Definition: Happening repeatedly or returning in a cyclic or regular manner.
Example Sentence: "The recurring nightmares haunted him night after night."
Synonyms: continual; cyclic; frequent; habitual; iterative; ongoing
Opposite Meaning: one-time

relieve (verb) /rɪˈliv/
Definition: To alleviate, ease, or lessen the intensity, pressure, or discomfort of something.
Example Sentence: "A good night's sleep can relieve fatigue and restore energy."
Synonyms: abate; allay; alleviate; assuage; comfort; ease
Opposite Meaning: aggravate

remnants (noun) /ˈrɛm nənts/
Definition: The traces or remains of something that has been partially destroyed, worn away, or lost over time.
Example Sentence: "After the fire, all that remained were charred remnants of the once beautiful house."
Synonyms: debris; detritus; fragments; leftovers; relics; remains
Opposite Meaning: entirety

resign (verb) /rɪˈzaɪn/
Definition: To voluntarily step down from a position or role, typically in a formal or official capacity.
Example Sentence: "He decided to resign after the incident."
Synonyms: abdicate; concede; depart; forsake; leave; quit
Opposite Meaning: retain

strictness (noun) /ˈstrɪktnəs/
Definition: The quality or state of being strict, rigid, or uncompromising in adhering to rules, regulations, or standards.
Example Sentence: "The teacher's strictness in the classroom ensured a focused and disciplined learning environment."
Synonyms: austerity; discipline; exactitude; firmness; harshness; inflexibility
Opposite Meaning: leniency

submarine (adjective) /ˌsʌb məˈrin/
Definition: Relating to or characteristic of a submarine or the underwater environment.
Example Sentence: "The submarine expedition discovered a new species of deep-sea fish."
Synonyms: belowground; subaquatic; subaqueous; submerged; submersed; submersible
Opposite Meaning: above-ground

unacknowledged (adjective) /ˌʌnəkˈnɒlɪdʒd/
Definition: Having not been recognized, admitted, or given proper acknowledgment or credit.
Example Sentence: "The unacknowledged efforts of the support staff were crucial to the success of the event."
Synonyms: disregarded; overlooked; unapplauded; unappreciated; uncelebrated; uncredited
Opposite Meaning: celebrated

undesirable (adjective) /ˌʌn dɪˈzaɪər ə bəl/
Definition: Not wanted, preferred, or considered favorable.
Example Sentence: "The apartment had an undesirable location, far from essential amenities."
Synonyms: disagreeable; displeasing; objectionable; repugnant; unappealing; unattractive
Opposite Meaning: desirable