Online English Vocabulary Flashcards for ACT 1 (American College Testing) Words

abide (verb) /əˈbaɪd/
Definition: To accept, endure, or tolerate something, typically a situation or condition, without resistance or complaint.
Example Sentence: "They had to abide by the terms of the contract, even if they didn't like them."
Synonyms: bear; endure; persist; stand; stomach; suffer
Opposite Meaning: reject

alight (verb) /əˈlaɪt/
Definition: To descend or dismount from a vehicle, such as a bus, train, or airplane.
Example Sentence: "The passengers were instructed to alight the bus at the next stop."
Synonyms: debark; debus; deplane; descend; disembark; disengage
Opposite Meaning: board

aristocrat (noun) /ˈarɪstəkrat/
Definition: A member of the nobility or the ruling class in a society.
Example Sentence: "The aristocrat's social status granted them access to exclusive events."
Synonyms: gentleperson; grandee; lady; lord; nobleman; noblewoman
Opposite Meaning: commoner

aspire (verb) /əˈspʌɪə/
Definition: To have a strong desire or ambition to achieve something great or important.
Example Sentence: "Many young people aspire to become successful entrepreneurs."
Synonyms: aim; crave; desire; dream; hope; long
Opposite Meaning: disregard

attitude (noun) /ˈæt ɪˌtud/
Definition: A person's outlook, perspective, or disposition towards something or someone.
Example Sentence: "The athlete's determined attitude propelled them to achieve great success."
Synonyms: approach; belief; demeanor; disposition; mentality; mindset
Opposite Meaning: indifference

authorize (verb) /ɔːθəraɪz/
Definition: To grant official permission, power, or authority to someone or something.
Example Sentence: "The committee must authorize the budget before the project can proceed."
Synonyms: accredit; approve; certify; clear; empower; enable
Opposite Meaning: forbid

befitting (adjective) /bɪˈfɪtɪŋ/
Definition: Suitable or appropriate for a particular situation, context, or individual.
Example Sentence: "The lavish party was befitting of a royal celebration."
Synonyms: acceptable; adequate; apposite; becoming; decorous; fitting
Opposite Meaning: unsuitable

bereft (adjective) /bɪˈrɛft/
Definition: Deprived or lacking in a particular quality, possession, or emotion, typically due to a loss or absence.
Example Sentence: "It was a dull storyline and completely bereft of imagination."
Synonyms: bankrupt; deficient; devoid; lacking; robbed; stripped
Opposite Meaning: endowed

canny (adjective) /ˈkæn i/
Definition: Shrewd, clever, and resourceful in one's judgments and actions.
Example Sentence: "The canny investor always knew when to buy and sell stocks for maximum profit."
Synonyms: astute; clever; crafty; insightful; intelligent; judicious
Opposite Meaning: naive

capitalism (noun) /ˈkæpɪtᵊlɪzᵊm/
Definition: An economic and political system characterized by private ownership of the means of production and the pursuit of profit.
Example Sentence: "In a capitalist system, private ownership is central to economic activities."
Synonyms: business; commerce; economy; individualism; laissez-faire; profit
Opposite Meaning: socialism

cleanse (verb) /klɛnz/
Definition: To purify, purge, or thoroughly clean something, whether it is a physical object, a space, or even a person.
Example Sentence: "The traditional ceremony was performed to cleanse the spiritual energy of the space."
Synonyms: decontaminate; detoxify; disinfect; expel; expunge; flush
Opposite Meaning: contaminate

collude (verb) /kəˈl(j)uːd/
Definition: To secretly cooperate or work together, especially for an illegal or unethical purpose.
Example Sentence: "Several students tried to collude to cheat on the final exam."
Synonyms: collaborate; complot; connive; conspire; contrive; devise
Opposite Meaning: compete

compelling (adjective) /kəmˈpɛl ɪŋ/
Definition: Having a powerful and irresistible effect, often capturing one's attention or interest in an intense way.
Example Sentence: "The novel had a compelling storyline that kept me hooked until the very end."
Synonyms: alluring; captivating; convincing; engaging; enthralling; gripping
Opposite Meaning: unconvincing

component (noun) /kəmˈpoʊ nənt/
Definition: A distinct part or element that forms a larger whole.
Example Sentence: "Communication is a key component of a healthy relationship."
Synonyms: aspect; constituent; element; factor; feature; fragment
Opposite Meaning: whole

condense (verb) /kənˈdɛns/
Definition: To make something more compact, concentrated, or concise.
Example Sentence: "The speaker had to condense his speech due to time constraints."
Synonyms: abbreviate; abridge; compact; compress; consolidate; distill
Opposite Meaning: expand

congratulation (noun) /kənˌgrætʃ əˈleɪ ʃən/
Definition: An expression of joy, happiness, or admiration extended to someone to acknowledge and celebrate their achievement, success, or significant milestone.
Example Sentence: "The couple received numerous congratulation messages on their wedding day."
Synonyms: acclaim; accolades; adulation; applause; cheers; commendation
Opposite Meaning: censure

conjure (verb) /ˈkɒn dʒər/
Definition: To bring forth or summon something, often through the power of imagination, incantation, or magical means.
Example Sentence: "I will conjure a delicious meal from the ingredients in the pantry."
Synonyms: create; elicit; enchant; evoke; fabricate; generate
Opposite Meaning: dismiss

conspicuous (adjective) /kənˈspɪkjʊəs/
Definition: Easily noticeable or standing out in a way that is hard to miss.
Example Sentence: "Her bright pink coat was very conspicuous in the sea of black jackets."
Synonyms: blatant; clear; evident; noteworthy; obvious; patent
Opposite Meaning: hidden

convenience (noun) /kənviːniəns/
Definition: A state or quality of being convenient, easy, or favorable in terms of practicality and accessibility.
Example Sentence: "The convenience of mobile banking allows me to manage my finances on the go."
Synonyms: accessibility; advantage; amenity; benefit; comfort; ease
Opposite Meaning: difficulty

conventional (adjective) /kənvenʃənəl/
Definition: Based on or in accordance with commonly accepted practices, customs, or standards.
Example Sentence: "He chose a conventional career path, following in his family's footsteps."
Synonyms: accepted; common; customary; expected; mainstream; normal
Opposite Meaning: unconventional

correspond (verb) /ˌkɔr əˈspɒnd/
Definition: To communicate or exchange information with someone or something in a written or verbal manner.
Example Sentence: "The colors in her painting correspond beautifully with the tones in the room."
Synonyms: agree; align; coincide; concur; conform; correlate
Opposite Meaning: differ

damnation (noun) /dæmneɪʃən/
Definition: The state of being condemned or punished, typically in a religious or moral context.
Example Sentence: "The sinner sought redemption to save his soul from eternal damnation."
Synonyms: condemnation; doom; inferno; judgment; penalty; perdition
Opposite Meaning: salvation

decompose (verb) /ˌdi kəmˈpoʊz/
Definition: To break down or disintegrate organic matter into simpler components or elements.
Example Sentence: "Leaves decompose over time, returning nutrients to the soil."
Synonyms: crumble; decay; deteriorate; disintegrate; dissolve; fragment
Opposite Meaning: preserve

deeds (noun) /diːdz/
Definition: Legal documents or written instruments that serve as evidence or proof of ownership, rights, or obligations related to property or other assets.
Example Sentence: "He examined the deeds to determine the property's boundaries and rights."
Synonyms: certificates; charters; contracts; conveyances; documents; evidences
Opposite Meaning: possessions

dejected (adjective) /dɪˈdʒɛktɪd/
Definition: Feeling disheartened, low-spirited, and emotionally downcast, often as a result of disappointment, rejection, or a sense of hopelessness.
Example Sentence: "The dejected players sat in silence after the devastating defeat."
Synonyms: crestfallen; demoralized; depressed; despondent; discouraged; disheartened
Opposite Meaning: cheerful

descent (noun) /dɪˈsɛnt/
Definition: The act or process of moving downward or declining from a higher position or level.
Example Sentence: "The skier executed a flawless descent down the challenging slope."
Synonyms: decline; decrease; degeneration; deterioration; dip; downfall
Opposite Meaning: ascent

despair (noun) /dɪˈspɛː/
Definition: An intense feeling of hopelessness, sadness, and often a sense of defeat or futility.
Example Sentence: "The economic downturn caused widespread despair and uncertainty."
Synonyms: anguish; dejection; depression; desperation; despondency; disheartenment
Opposite Meaning: hope

disheveled (adjective) /dɪˈʃɛv əld/
Definition: Untidy, unkempt, or in a state of disarray.
Example Sentence: "Rosalind rushed into the meeting room with disheveled hair and a wrinkled blouse."
Synonyms: bedraggled; disarrayed; disordered; messy; mussed; rumpled
Opposite Meaning: tidy

dispatch (verb) /dɪˈspæʧ/
Definition: To send off or expedite something, often with a sense of urgency and efficiency.
Example Sentence: "Our team will dispatch a technician to your location to fix the issue."
Synonyms: convey; expedite; facilitate; forward; hasten; route
Opposite Meaning: retain

diversify (verb) /dʌɪˈvəːsɪfʌɪ/
Definition: To introduce variety, range, or diversity into something, typically to enhance its overall quality, resilience, or appeal.
Example Sentence: "The company plans to diversify its product line to reach a wider audience."
Synonyms: broaden; enrich; expand; extend; innovate; remodel
Opposite Meaning: homogenize

ellipse (noun) /ɪˈlɪps/
Definition: A geometric shape formed by a curved and closed path in a plane.
Example Sentence: "The satellite's trajectory was plotted as an ellipse on the chart."
Synonyms: circlet; curve; egg; ellipsoid; loop; oblate
Opposite Meaning: line

encouraging (adjective) /ɪnˈkʌrɪʤɪŋ/
Definition: Providing support, motivation, or inspiration.
Example Sentence: "The encouraging atmosphere in the classroom allowed students to express their ideas freely."
Synonyms: cheering; emboldening; empowering; heartening; inspiring; invigorating
Opposite Meaning: disheartening

equinox (noun) /ˈɛkwɪnɒks/
Definition: An astronomical event that occurs twice a year when the sun is directly above the equator and the day and night are of approximately equal length.
Example Sentence: "In the Southern Hemisphere, the vernal equinox marks the start of autumn."
Synonyms: alignment; balance; convergence; crossing; equator; event
Opposite Meaning: solstice

escapade (noun) /ˈɛskəpeɪd/
Definition: A wild or daring adventure or experience, often involving some element of risk or danger.
Example Sentence: "Their escapade landed them in trouble with the law."
Synonyms: antic; caper; fling; frolic; lark; mischief
Opposite Meaning: routine

facilitate (verb) /fəˈsɪlɪteɪt/
Definition: To make a process or task easier, smoother, or more efficient by providing assistance, resources, or support.
Example Sentence: "The new software is designed to facilitate communication between team members."
Synonyms: accelerate; aid; assist; ease; expedite; forward
Opposite Meaning: hinder

fanfare (noun) /ˈfanfɛː/
Definition: A loud and showy display or celebration that is designed to draw attention and create excitement.
Example Sentence: "The fanfare of trumpets announced the arrival of the king and queen."
Synonyms: announcement; festivity; grandeur; pageantry; parade; pomp
Opposite Meaning: silence

ferret (verb) /ˈfɛrət/
Definition: To search or seek out something, often with great persistence or determination.
Example Sentence: "The auditor was able to ferret out fraudulent activity in the financial records."
Synonyms: delve; discover; forage; hunt; investigate; probe
Opposite Meaning: ignore

fitting (adjective) /ˈfɪt ɪŋ/
Definition: Appropriate, suitable, or befitting a particular situation or purpose.
Example Sentence: "The elegant chandelier was a fitting centerpiece for the grand ballroom."
Synonyms: applicable; appropriate; apt; befitting; congruous; pertinent
Opposite Meaning: inappropriate

fluctuating (adjective) /ˈflʌkʧueɪtɪŋ/
Definition: Constantly changing or varying in an irregular or unpredictable manner.
Example Sentence: "The fluctuating weather patterns have made it difficult to plan outdoor activities."
Synonyms: changing; erratic; inconsistent; mercurial; oscillating; shifting
Opposite Meaning: steady

harmonious (adjective) /hɑrˈmoʊ ni əs/
Definition: Characterized by agreement, compatibility, and the absence of conflicts or discord.
Example Sentence: "The meeting concluded with a harmonious agreement that satisfied all parties involved."
Synonyms: agreeable; balanced; compatible; concordant; congruous; consonant
Opposite Meaning: discordant

implied (adjective) /ɪmˈplaɪd/
Definition: Suggested, hinted at, or understood without being directly stated or expressed.
Example Sentence: "Her raised eyebrow implied doubt about the validity of his explanation."
Synonyms: alluded; assumed; connoted; deduced; hinted; implicit
Opposite Meaning: explicit

inclusive (adjective) /ɪnˈklu sɪv/
Definition: Characterized by the inclusion of all individuals, regardless of their differences or backgrounds.
Example Sentence: "The community center organized inclusive activities that catered to people of all ages and abilities."
Synonyms: accepting; broad; comprehensive; diverse; egalitarian; encompassing
Opposite Meaning: exclusive

inescapable (adjective) /ˌɪn əˈskeɪ pə bəl/
Definition: Cannot be avoided, evaded, or escaped from.
Example Sentence: "The inescapable heat of the desert sun was draining our energy by the minute."
Synonyms: bound; certain; compulsory; fated; ineluctable; inevitable
Opposite Meaning: avoidable

inflame (verb) /ɪnˈfleɪm/
Definition: To provoke, intensify, or exacerbate a situation, emotion, or condition.
Example Sentence: "The politician's speech was designed to inflame the passions of the crowd."
Synonyms: aggravate; arouse; enrage; fuel; galvanize; ignite
Opposite Meaning: calm

insincere (adjective) /ˌɪn sɪnˈsɪər/
Definition: Having a lack of genuine or honest intentions, feelings, or expressions.
Example Sentence: "Her insincere apology did not convince anyone of her remorse."
Synonyms: artificial; counterfeit; deceitful; dishonest; disingenuous; duplicitous
Opposite Meaning: genuine

joust (verb) /dʒaʊst/
Definition: To engage in a formal combat or competition on horseback, typically with lances, between two knights.
Example Sentence: "The two knights prepared to joust in the grand tournament."
Synonyms: battle; challenge; clash; combat; compete; confront
Opposite Meaning: agree

lethargic (adjective) /lɪˈθɑːdʒɪk/
Definition: Lacking vitality or enthusiasm, and suggesting a state of being slow-moving.
Example Sentence: "The team's performance was lethargic and uninspiring."
Synonyms: dormancy; idleness; inactivity; indolence; languor; laziness
Opposite Meaning: energetic

liberty (noun) /ˈlɪb ər ti/
Definition: The fundamental concept of personal freedom and autonomy.
Example Sentence: "In a democracy, citizens have the liberty to vote for their preferred political representatives."
Synonyms: autonomy; emancipation; freedom; independence; laissez-faire; liberation
Opposite Meaning: constraint

lurk (verb) /lɜrk/
Definition: To remain hidden or concealed, typically with the intention of observing or waiting for an opportune moment to act.
Example Sentence: "Unknown mysteries lurk beneath the ocean’s surface."
Synonyms: creep; crouch; hide; hover; observe; prowl
Opposite Meaning: reveal

malicious (adjective) /məˈlɪʃəs/
Definition: Characterized by the intent to harm, hurt, or cause suffering to others, often without justification or provocation.
Example Sentence: "The hacker's intent was malicious and aimed to steal sensitive information."
Synonyms: baleful; bitter; cruel; hateful; injurious; malevolent
Opposite Meaning: benevolent

mentor (noun) /ˈmɛn tɔr/
Definition: A trusted and experienced individual who guides, supports, and shares their knowledge with a less experienced person, often referred to as a mentee or protégé.
Example Sentence: "The mentor-mentee relationship thrived on open communication and mutual respect."
Synonyms: advisor; coach; confidant; consultant; counselor; guide
Opposite Meaning: pupil

meticulous (adjective) /mɪˈtɪkjʊləs/
Definition: Describing a person's attention to detail or a level of thoroughness that is extremely careful and precise.
Example Sentence: "The tailor was meticulous in his stitching, making sure that every seam was perfect."
Synonyms: assiduous; careful; conscientious; detailed; diligent; exacting
Opposite Meaning: careless

objectionable (adjective) /əbˈdʒɛk ʃə nə bəl/
Definition: Offensive, disagreeable, or unacceptable, typically because it goes against societal norms, values, or moral standards.
Example Sentence: "The movie contained objectionable scenes that offended many viewers."
Synonyms: abhorrent; deplorable; detestable; disagreeable; displeasing; distasteful
Opposite Meaning: acceptable

parasite (noun) /ˈparəsʌɪt/
Definition: An organism that lives in or on another organism, known as the host, and benefits at the host's expense.
Example Sentence: "The parasite was discovered during a routine medical examination."
Synonyms: bloodsucker; freeloader; leech; louse; moocher; pest
Opposite Meaning: host

pessimist (noun) /ˈpɛsɪmɪst/
Definition: A person who tends to expect the worst in any given situation and sees the negative aspects of life more than the positive.
Example Sentence: "The pessimist struggled to find the good in any situation."
Synonyms: complainer; cynic; defeatist; depreciator; doomster; downer
Opposite Meaning: optimist

phoenix (noun) /ˈfi nɪks/
Definition: A mythical creature often depicted as a large, magnificent bird with vibrant plumage and a long, graceful tail.
Example Sentence: "Legends speak of the phoenix rising from the ashes, symbolizing new beginnings."
Synonyms: fenghuang; firebird; immortality; rebirth; regeneration; renaissance
Opposite Meaning: common

pilgrimage (noun) /ˈpɪl grə mɪdʒ/
Definition: A sacred journey undertaken by individuals or groups to visit a significant place, usually associated with religious or spiritual significance.
Example Sentence: "The faithful embarked on a pilgrimage to Mecca to fulfill their religious obligations."
Synonyms: adventure; excursion; expedition; exploration; journey; odyssey
Opposite Meaning: stay

ploy (noun) /plɔɪ/
Definition: A strategic or cunning maneuver or action employed to achieve a specific purpose or gain an advantage, especially in a competitive or manipulative context.
Example Sentence: "The team's unexpected formation change was a tactical ploy to confuse the opposing team."
Synonyms: artifice; deception; game; gimmick; machination; maneuver
Opposite Meaning: honesty

poised (adjective) /pɔɪzd/
Definition: Balanced, composed, and self-assured.
Example Sentence: "The team remained poised under pressure, executing their strategy flawlessly."
Synonyms: balanced; calm; collected; composed; confident; equanimous
Opposite Meaning: agitated

preceding (adjective) /prɪˈsi dɪŋ/
Definition: Coming before or preceding another thing in order, time, or sequence.
Example Sentence: "The preceding year's sales figures were used as a benchmark for measuring growth."
Synonyms: antecedent; anterior; earlier; foregoing; former; past
Opposite Meaning: subsequent

prospectus (noun) /prəˈspɛk təs/
Definition: A printed booklet or brochure that serves to inform and attract potential students, parents, or investors.
Example Sentence: "The company distributed a detailed prospectus to potential investors, outlining its growth plans and financial projections."
Synonyms: booklet; brochure; catalog; document; dossier; exposition
Opposite Meaning: concealment

pulverize (verb) /ˈpʌlvərʌɪz/
Definition: To reduce something to very fine particles or dust through a process of intense grinding, crushing, or smashing.
Example Sentence: "The construction crew used a jackhammer to pulverize the concrete sidewalk."
Synonyms: annihilate; demolish; destroy; devastate; granulate; mill
Opposite Meaning: assemble

puncture (noun) /ˈpʌŋk tʃər/
Definition: A small hole, wound, or perforation in a surface, usually caused by a sharp object.
Example Sentence: "The cyclist always carries a puncture repair kit in case of emergencies on the road."
Synonyms: aperture; breach; gash; hole; incision; laceration
Opposite Meaning: seal

range (noun) /reɪndʒ/
Definition: A broad spectrum or extent of something, typically indicating the boundaries within which it operates or varies.
Example Sentence: "The store offers a wide range of products, from electronics to clothing."
Synonyms: array; breadth; compass; extent; gamut; reach
Opposite Meaning: limitation

reboot (verb) /riˈbut/
Definition: To restart a computer system or electronic device in order to reload the operating system and all its components.
Example Sentence: "The actor expressed excitement about the reboot of the classic movie franchise."
Synonyms: reawaken; refresh; regenerate; reinitialize; reinvigorate; rekindle
Opposite Meaning: shutdown

regarding (preposition) /rɪˈgɑr dɪŋ/
Definition: Indicating the subject or topic that is being discussed, considered, or referred to.
Example Sentence: "I have a question regarding the upcoming meeting."
Synonyms: about; apropos; concerning; over; pertaining; relative
Opposite Meaning: excluding

repulse (verb) /rɪˈpʌls/
Definition: To push back or repel something or someone that is approaching or attacking.
Example Sentence: "The soldiers managed to repulse the enemy's attack at dawn."
Synonyms: defeat; deflect; defy; fight; oppose; rebuff
Opposite Meaning: welcome

resounding (adjective) /rɪˈzaʊndɪŋ/
Definition: Unmistakable or emphatic.
Example Sentence: "The resounding success of the company's new product launch was a game-changer."
Synonyms: booming; decisive; emphatic; notable; outstanding; ringing
Opposite Meaning: faint

rugged (adjective) /ˈrʌɡɪd/
Definition: Characterized by roughness, toughness, or irregularity in texture or terrain.
Example Sentence: "The terrain was rugged and difficult to traverse."
Synonyms: difficult; hardy; jagged; muscular; ragged; robust
Opposite Meaning: smooth

spellbound (adjective) /ˈspɛlˌbaʊnd/
Definition: Captivated, entranced, or deeply engrossed by something or someone.
Example Sentence: "The magician's tricks left the audience spellbound and in awe."
Synonyms: absorbed; awestruck; bewitched; captivated; enchanted; engrossed
Opposite Meaning: uninterested

static (adjective) /ˈstæt ɪk/
Definition: Lacking movement, change, or progress.
Example Sentence: "The company's profits have remained static for the past three quarters."
Synonyms: constant; fixed; immobile; inert; motionless; stagnant
Opposite Meaning: dynamic

stunned (adjective) /stʌnd/
Definition: Profound shock, surprise, or bewilderment that leaves a person temporarily unable to react or comprehend what has just occurred.
Example Sentence: "Lisa was stunned when her long-lost friend unexpectedly walked through the door."
Synonyms: amazed; astonished; bewildered; dumbfounded; flabbergasted; floored
Opposite Meaning: unfazed

submerge (verb) /səbˈməːdʒ/
Definition: To submerse, to sink or dip beneath the surface of a liquid, usually water.
Example Sentence: "The submarine slowly began to submerge beneath the surface of the ocean."
Synonyms: descend; drown; engulf; flood; immerse; inundate
Opposite Meaning: surface

suppress (verb) /səˈprɛs/
Definition: To prevent or restrain something from being expressed, disclosed, or released.
Example Sentence: "He had to suppress his anger when he received the disappointing news."
Synonyms: censor; check; control; inhibit; quell; silence
Opposite Meaning: reveal

unaccountable (adjective) /ˌʌn əˈkaʊn tə bəl/
Definition: Cannot be explained, justified, or held responsible for their actions or decisions.
Example Sentence: "The unaccountable use of public funds raised concerns about corruption."
Synonyms: arbitrary; capricious; erratic; imponderable; inexplicable; inscrutable
Opposite Meaning: responsible