Online English Vocabulary Flashcards for SAT 18 (Scholastic Assessment Test) Words

accredited (adjective) /əˈkrɛd ɪ tɪd/
Definition: Having been officially recognized and certified as meeting specific standards or requirements set by an accrediting body or agency.
Example Sentence: "She is taking an online course from an accredited platform to boost her career prospects."
Synonyms: approved; attested; authorized; certified; confirmed; endorsed
Opposite Meaning: unauthorized

agglomeration (noun) /əˌglɒm əˈreɪ ʃən/
Definition: The process or result of clustering or gathering together of various elements or entities into a larger, cohesive whole.
Example Sentence: "The industrial park serves as an agglomeration of manufacturing plants and warehouses."
Synonyms: accumulation; assemblage; bunch; bundle; cluster; collection
Opposite Meaning: dispersion

alacrity (noun) /əˈlakrɪti/
Definition: A state of eagerness, promptness, and cheerful willingness to carry out a task or respond to a situation.
Example Sentence: "He accepted the challenge with alacrity, ready to give it his best effort."
Synonyms: ardor; avidity; briskness; eagerness; enthusiasm; fervor
Opposite Meaning: reluctance

altruistic (adjective) /altruːˈɪstɪk/
Definition: Selflessly concerned for the well-being of others, often with no thought of personal gain or reward.
Example Sentence: "Her altruistic nature led her to volunteer at the local homeless shelter every week."
Synonyms: benevolent; charitable; compassionate; considerate; generous; giving
Opposite Meaning: selfish

amoral (adjective) /eɪˈmɒr(ə)l/
Definition: Having or showing no moral standards, principals, or sense of right or wrong.
Example Sentence: "The amoral thief had no guilt about stealing from others."
Synonyms: conscienceless; corrupt; debauched; degenerate; depraved; dissolute
Opposite Meaning: ethical

archipelago (noun) /ˌɑːkɪˈpɛlɪɡəʊ/
Definition: A group of islands that are located close to each other, usually in a large body of water such as an ocean or a sea.
Example Sentence: "The Galápagos Islands are a unique and biodiverse archipelago."
Synonyms: array; assemblage; chain; cluster; collection; formation
Opposite Meaning: mainland

atavistic (adjective) /ˌatəˈvɪstɪk/
Definition: Traits or behaviors that have reappeared after being dormant for many generations.
Example Sentence: "The eerie howl of the wolf awakened an atavistic fear deep within her."
Synonyms: antiquated; archaic; bygone; erstwhile; historical; Neolithic
Opposite Meaning: modern

bioethics (noun) /ˌbaɪ oʊˈɛθ ɪks/
Definition: The interdisciplinary field of study that examines ethical issues arising from advances in biology, medicine, and healthcare.
Example Sentence: "Bioethics explores the ethical implications of medical advancements."
Synonyms: bioethical; biolaw; biomedicine; biopolicy; biopolitics; biotechnology
Opposite Meaning: disregard

catalyze (verb) /ˈkæt lˌaɪz/
Definition: To initiate or accelerate a reaction, transformation, or change.
Example Sentence: "The economic reforms were designed to catalyze growth and attract investment."
Synonyms: activate; expedite; incite; initiate; instigate; promote
Opposite Meaning: hinder

centrifugal (adjective) /ˌsɛntrɪˈfjuːɡl/
Definition: Relating to forces, movements, or processes that move away from a central point or axis.
Example Sentence: "The centrifugal force of the spinning top kept it upright on the table."
Synonyms: dispersive; disseminating; dissipative; divergent; fanning; radiating
Opposite Meaning: centripetal

confounded (adjective) /kɒnˈfaʊn dɪd/
Definition: Perplexed, bewildered, or deeply puzzled.
Example Sentence: "I felt confounded by the contradictory statements from the witnesses."
Synonyms: astonished; bamboozled; bemused; bewildered; discombobulated; dumbfounded
Opposite Meaning: clear

convoke (verb) /kənˈvəʊk/
Definition: To call together, summon, or assemble a group of individuals for a meeting, gathering, or formal session.
Example Sentence: "The chairman will convoke a board meeting to discuss the company's financial status."
Synonyms: assemble; call; convene; gather; marshal; mobilize
Opposite Meaning: disband

countenance (noun) /ˈkaʊntɪnəns/
Definition: A sense of endorsement or agreement, often in the face of challenge or uncertainty.
Example Sentence: "The senator's countenance was crucial to getting the bill passed."
Synonyms: acceptance; approval; assistance; backing; blessing; consent
Opposite Meaning: oppose

credulity (noun) /krɪˈduləti/
Definition: A tendency to believe things too quickly or easily without much evidence.
Example Sentence: "The scam artist preyed on the credulity of the elderly couple and stole their life savings."
Synonyms: acceptance; belief; faithfulness; gullibility; impressionability; ingenuousness
Opposite Meaning: skepticism

crestfallen (adjective) /ˈkrɛstˌfɔːlən/
Definition: Deeply disappointed, disheartened, or dejected due to the failure of one's expectations or hopes.
Example Sentence: "His crestfallen demeanor showed that he had lost his confidence."
Synonyms: crushed; defeated; deflated; dejected; demoralized; despondent
Opposite Meaning: elated

debouch (verb) /dɪˈbaʊtʃ/
Definition: To emerge from a narrow or confined space into a wider open area.
Example Sentence: "The soldiers will debouch from the forest at dawn and launch a surprise attack."
Synonyms: discharge; emanate; exude; flow; gush; issue
Opposite Meaning: contain

detritus (noun) /dɪˈtrʌɪtəs/
Definition: Debris, waste or the remains of something that has been worn away or broken down.
Example Sentence: "The beach was littered with detritus, including broken shells and discarded plastic waste."
Synonyms: flotsam; fragments; litter; remnant; residue; rubbish
Opposite Meaning: whole

effervescent (adjective) /ˌɛfəˈvɛsnt/
Definition: Bubbling, fizzy, or sparkling, often in a lively and enthusiastic way.
Example Sentence: "The effervescent energy of the children was contagious."
Synonyms: bouncy; bubbly; energetic; enthusiastic; excited; exhilarated
Opposite Meaning: flat

emaciation (noun) /ɪˌmeɪ ʃiˈeɪ ʃən/
Definition: The state of extreme thinness or extreme and unhealthy weight loss in a person or animal.
Example Sentence: "The rescue team was shocked by the emaciation of the neglected dog they found."
Synonyms: depletion; frailty; gauntness; haggardness; leanness; malnutrition
Opposite Meaning: obesity

endocrine (noun) /ˈɛn də krɪn/
Definition: A system of glands within the human body responsible for producing and secreting hormones into the bloodstream.
Example Sentence: "Hormones produced by the endocrine system influence growth, metabolism, and reproductive functions."
Synonyms: chemical; ductless; endocrinological; glandular; hormonal; metabolic
Opposite Meaning: non-hormonal

ennoble (verb) /ɛnˈnoʊ bəl/
Definition: To elevate or dignify someone or something, typically by bestowing honor, prestige, or a higher social status.
Example Sentence: "The queen decided to ennoble the brave soldier for his acts of valor in battle."
Synonyms: aggrandize; dignify; distinguish; elevate; ennance; enrich
Opposite Meaning: demean

expiate (verb) /ˈɛkspɪeɪt/
Definition: To atone for or make amends for one's sins, wrongdoings, or offenses, typically through a sincere act of penance, remorse, or restitution.
Example Sentence: "He sought to expiate his guilt through acts of charity."
Synonyms: absolve; amend; appease; atone; cleanse; compensate
Opposite Meaning: offend

festoon (verb) /ˌfɛˈstun/
Definition: To decorate or adorn something with a series of decorative objects, such as ribbons, flowers, or leaves, arranged in a looped or hanging pattern.
Example Sentence: "Every year, we festoon the Christmas tree with sparkling ornaments."
Synonyms: bedeck; beribbon; drape; embellish; emboss; garland
Opposite Meaning: strip

fidelity (noun) /fɪˈdɛlɪti/
Definition: The quality or state of being faithful, loyal, and true to a commitment, promise, or obligation.
Example Sentence: "Their enduring fidelity to each other strengthened their bond over the years."
Synonyms: allegiance; commitment; constancy; dedication; dependability; devotion
Opposite Meaning: disloyalty

habituate (verb) /həˈbɪtʃ uˌeɪt/
Definition: To become accustomed or familiar with something through repeated exposure or practice.
Example Sentence: "It takes time to habituate to a new environment."
Synonyms: acclimate; accustom; adapt; adjust; assimilate; attune
Opposite Meaning: alienate

hedonist (noun) /ˈhɛd(ə)nɪst/
Definition: A person who is devoted to the pursuit of pleasure and self-gratification.
Example Sentence: "He was a hedonist, living for the moment and indulging in his desires."
Synonyms: debauchee; debaucher; decadent; epicurean; indulger; libertine
Opposite Meaning: ascetic

illuminati (noun) /ɪˌlu məˈnɑ ti/
Definition: A shadowy group believed to possess extraordinary power, knowledge, and influence over world affairs.
Example Sentence: "Some people believe that celebrities are part of the Illuminati and use their fame for hidden purposes."
Synonyms: brotherhood; cabal; clique; cult; fraternity; group
Opposite Meaning: commoner

illustrious (adjective) /ɪˈlʌstrɪəs/
Definition: Famous, respected, or renowned for past achievements or notable qualities.
Example Sentence: "He was an illustrious scientist who won multiple awards for his research."
Synonyms: brilliant; celebrated; distinguished; eminent; esteemed; exalted
Opposite Meaning: obscure

inconsequential (adjective) /ɪnˌkɒnsɪˈkwɛnʃl/
Definition: Unimportant, insignificant, or without consequence.
Example Sentence: "He considered the incident to be inconsequential and not worth mentioning."
Synonyms: immaterial; incidental; inconsiderable; measly; minor; negligible
Opposite Meaning: significant

inconsistency (noun) /ˌɪn kənˈsɪs tən si/
Definition: The lack of coherence, harmony, or uniformity within something, particularly in terms of ideas, actions, or behavior.
Example Sentence: "The inconsistency in his statements made it difficult to trust his words."
Synonyms: conflict; contradiction; discrepancy; disparity; incompatibility; incongruence
Opposite Meaning: consistency

indispensable (adjective) /ˌɪndɪˈspɛnsəbl/
Definition: Essential or vital for something to function or be successful.
Example Sentence: "Honesty is an indispensable quality for building trust in relationships."
Synonyms: critical; crucial; fundamental; imperative; integral; key
Opposite Meaning: unnecessary

inextricable (adjective) /ˌɪnɪkˈstrɪkəbl/
Definition: Impossible to separate or disentangle from another thing or things.
Example Sentence: "The inextricable link between poverty and crime is well-documented."
Synonyms: complex; convoluted; enmeshed; inalienable; indissoluble; inseparable
Opposite Meaning: separable

inextricably (adverb) /ˌɪnɪkˈstrɪkəbli/
Definition: Tightly and inseparably bound or connected, with no possibility of being separated or disentangled.
Example Sentence: "The relationship between the two countries was inextricably linked to their history."
Synonyms: closely; fast; firmly; immovably; indissolubly; inevitably
Opposite Meaning: separably

insinuate (verb) /ɪnˈsɪnjʊeɪt/
Definition: To suggest or imply something indirectly, often in a subtle or devious way.
Example Sentence: "The politician tried to insinuate that his opponent was corrupt."
Synonyms: allude; ascribe; connote; hint; impute; indicate
Opposite Meaning: state

insouciant (adjective) /ɪnˈsuːsɪənt/
Definition: Carefree, nonchalant, and seemingly indifferent to one's surroundings or circumstances.
Example Sentence: "He had an insouciant approach to life, never taking things too seriously."
Synonyms: blithe; breezy; carefree; casual; easygoing; heedless
Opposite Meaning: concerned

kingpin (noun) /ˈkɪŋˌpɪn/
Definition: A person or thing that holds a position of utmost importance and influence within an organization or operation, playing a crucial role in its success.
Example Sentence: "The kingpin of the drug cartel controls the entire distribution network."
Synonyms: anchor; central; core; cornerstone; crucial; key
Opposite Meaning: underling

latterly (adverb) /ˈlæt ər li/
Definition: Recently, or closer to the present time compared to a previously mentioned time.
Example Sentence: "He has become more health-conscious latterly, adopting a nutritious diet and exercise routine."
Synonyms: anew; freshly; lastly; lately; latter; newly
Opposite Meaning: formerly

leitmotif (noun) /ˈlʌɪtməʊˌtiːf/
Definition: A recurring theme or motif that is used to represent a particular idea, character, or emotion in a piece of music, literature, or art.
Example Sentence: "The film's leitmotif of loneliness is reflected in the score and imagery."
Synonyms: argument; idea; melody; motif; phrase; point
Opposite Meaning: dissonance

lustre (noun) /ˈlʌstə/
Definition: The brightness or sheen of a surface, often used to describe the appearance of materials such as metals or gems.
Example Sentence: "The golden statue had lost its lustre over time."
Synonyms: brilliance; dazzle; gleam; glint; glitter; gloss
Opposite Meaning: dullness

merciless (adjective) /ˈmɜr sɪ lɪs/
Definition: Lacking compassion, kindness, or pity towards others.
Example Sentence: "The merciless waves battered the ship, leaving it in ruins."
Synonyms: brutal; cruel; harsh; heartless; inhumane; pitiless
Opposite Meaning: compassionate

occultism (noun) /əˈkʌl tɪz əm/
Definition: The study, practice, or belief in hidden or secret knowledge, supernatural powers, and mystical or esoteric principles.
Example Sentence: "Practitioners of occultism believe in the existence of hidden energies and spiritual realms beyond the physical world."
Synonyms: alchemy; divination; enchantment; esotericism; magic; mysticism
Opposite Meaning: science

officious (adjective) /əˈfɪʃəs/
Definition: Excessively eager to offer unwanted or unnecessary help or advice, often in an intrusive or overbearing manner.
Example Sentence: "The officious security guard refused to let anyone enter without proper clearance."
Synonyms: bossy; bumptious; busybody; interfering; intrusive; meddlesome
Opposite Meaning: unobtrusive

parley (noun) /ˈpɑrli/
Definition: A conversation or discussion between opposing sides in a conflict or dispute, usually with the aim of resolving the issue.
Example Sentence: "The lawyers requested a parley to discuss the settlement outside the courtroom."
Synonyms: colloquy; conference; consultation; council; debate; dialogue
Opposite Meaning: silence

perquisite (noun) /ˈpəːkwɪzɪt/
Definition: Often shortened to "perk", refers to a benefit, privilege, or advantage that is given in addition to an employee's regular salary or wages.
Example Sentence: "The position came with certain perquisites such as free travel and accommodation."
Synonyms: bonus; contribution; dividend; extra; gift; gratuity
Opposite Meaning: disadvantage

pneumatic (adjective) /nʊˈmæt ɪk/
Definition: Relating to or operated by compressed air, gas, or other similar substances.
Example Sentence: "The pneumatic drill made quick work of breaking through the concrete."
Synonyms: aerated; aeriform; aerodynamic; compressed; gaseous; inflatable
Opposite Meaning: manual

postmortem (adjective) /poʊstˈmɔr təm/
Definition: Pertaining to or associated with the period or events that occur after death.
Example Sentence: "The medical examiner conducted a postmortem examination to determine the cause of death."
Synonyms: autopsy; cadaverous; dead; deceased; defunct; departed
Opposite Meaning: antemortem

preeminent (adjective) /priːˈɛmɪnənt/
Definition: Standing out as the foremost, most distinguished, or most superior in a particular field, category, or domain.
Example Sentence: "The university is home to preeminent scholars in a wide range of disciplines."
Synonyms: chief; consummate; distinguished; excellent; foremost; paramount
Opposite Meaning: inferior

preservation (noun) /ˌprɛz ərˈveɪ ʃən/
Definition: The act or process of protecting, conserving, or safeguarding something from decay, damage, or deterioration.
Example Sentence: "The museum is dedicated to the preservation of ancient artifacts and artworks."
Synonyms: care; conservation; custody; maintenance; perpetuation; protection
Opposite Meaning: destruction

presuppose (verb) /ˌpri səˈpoʊz/
Definition: To assume or take for granted the existence, truth, or validity of something as a basis for further reasoning or discussion.
Example Sentence: "The teacher will presuppose that his students have a basic understanding of the topic."
Synonyms: anticipate; assume; expect; gather; guess; imply
Opposite Meaning: disprove

prevalence (noun) /ˈprɛv ə ləns/
Definition: The frequency, extent, or predominance of a particular condition, phenomenon, or characteristic within a specific population, area, or context.
Example Sentence: "The prevalence of smartphones in society has revolutionized communication."
Synonyms: commonness; currency; dominance; frequency; incidence; occurrence
Opposite Meaning: rarity

proclamation (noun) /ˌprɒk ləˈmeɪ ʃən/
Definition: A formal and public announcement or declaration made by a person or an authority figure to communicate an important message, statement, or decree.
Example Sentence: "The king's proclamation declared a national day of celebration."
Synonyms: announcement; bulletin; command; declaration; decree; edict
Opposite Meaning: retraction

proclivity (noun) /prəˈklɪvɪti/
Definition: A tendency or inclination towards a particular type of behavior or activity.
Example Sentence: "She had a proclivity for getting into trouble, despite her parents' warnings."
Synonyms: affinity; bent; bias; disposition; inclination; knack
Opposite Meaning: aversion

profane (adjective) /prəˈfeɪn/
Definition: Disrespectful, irreverent, or impious, especially in relation to sacred or holy matters.
Example Sentence: "The religious leaders were outraged by the profane behavior of the tourists."
Synonyms: blasphemous; impious; indecent; irreverent; lewd; obscene
Opposite Meaning: sacred

raiment (noun) /ˈrɑɪmənt/
Definition: Clothing or attire, particularly worn for a specific occasion or purpose.
Example Sentence: "The king's raiment was embroidered with gold and precious stones."
Synonyms: apparel; costume; dress; garb; gear; habiliment
Opposite Meaning: nudity

remission (noun) /rɪˈmɪʃ(ə)n/
Definition: A temporary or partial reduction, alleviation, or abatement of something, typically used in the context of diseases, medical conditions, or debts.
Example Sentence: "The prisoner's good behavior led to a remission of their sentence."
Synonyms: amnesty; decrease; diminution; discharge; lessening; mercy
Opposite Meaning: exacerbation

retribution (noun) /ˌrɛtrɪˈbjuːʃn/
Definition: Punishment or revenge inflicted on someone as a consequence of their wrongdoing or misdeeds.
Example Sentence: "Retribution was the only thing that would bring him peace."
Synonyms: comeback; counterstrike; justice; payback; redress; reprisal
Opposite Meaning: reward

reverend (adjective) /ˈrɛv ər ənd/
Definition: Holding the title or position of a minister, specifically within a Christian religious context.
Example Sentence: "People sought guidance from the reverend during times of personal crisis."
Synonyms: devout; dignified; esteemed; hallowed; holy; honorable
Opposite Meaning: secular

sakura (noun) /səˈkʊərə/
Definition: A Japanese word for the flowering cherry blossom tree, as well as the blossoms themselves.
Example Sentence: "The cherry blossom festival, or 'sakura matsuri,' is a beloved tradition in Japan."
Synonyms: bloom; blossom; blossoms; cherry; floral; flowering
Opposite Meaning: barren

scourge (noun) /skəːdʒ/
Definition: Referring to a devastating and often widespread source of suffering, affliction, or calamity.
Example Sentence: "The invasive species were a scourge on the local ecosystem."
Synonyms: affliction; danger; infliction; menace; misfortune; peril
Opposite Meaning: blessing

slight (verb) /slaɪt/
Definition: The act of deliberately treating someone with indifference, disrespect, or disregard in a manner that undermines their worth or importance.
Example Sentence: "To slight her in front of her peers was a clear demonstration of his lack of respect."
Synonyms: belittle; demean; deride; devalue; disparage; disregard
Opposite Meaning: respect

smithereens (noun) /ˌsmɪðəˈriːnz/
Definition: Small pieces or fragments, often used to describe something that has been broken or shattered into many small pieces.
Example Sentence: "The vase shattered into smithereens when it fell to the ground."
Synonyms: atoms; bits; chips; flakes; particles; portions
Opposite Meaning: whole

spurt (verb) /spɜrt/
Definition: To move or gush with a sudden burst of speed.
Example Sentence: "The athlete sprinted down the track, giving a sudden spurt of speed."
Synonyms: burst; discharge; eject; flow; gush; jet
Opposite Meaning: crawl

sterling (adjective) /ˈstəːlɪŋ/
Definition: Of the highest quality, excellence, or purity, often with a strong implication of being trustworthy and reliable.
Example Sentence: "The musician gave a sterling performance that left the audience in awe."
Synonyms: fabulous; fantastic; magnificent; marvelous; outstanding; splendid
Opposite Meaning: poor

subsistence (noun) /səbˈsɪstəns/
Definition: The basic necessities of life required for survival, such as food, water, shelter, and clothing.
Example Sentence: "The villagers relied on fishing and farming for their subsistence."
Synonyms: existence; food; livelihood; living; provisions; rations
Opposite Meaning: luxury

superimpose (verb) /ˌsuːp(ə)rɪmˈpəʊz/
Definition: To place one thing on top of another, typically in such a way that both are visible but one is dominant.
Example Sentence: "The editor will superimpose the subtitles onto the video for better readability."
Synonyms: blend; combine; intercalate; interleave; interpose; intersperse
Opposite Meaning: separate

supplant (verb) /səˈplænt/
Definition: To replace or substitute someone or something, often in a forceful or deceitful manner.
Example Sentence: "He hoped to supplant his rival as the company's top salesperson."
Synonyms: depose; dethrone; displace; oust; overthrow; remove
Opposite Meaning: retain

surfeit (noun) /ˈsəːfɪt/
Definition: An excessive amount of something, often to the point of causing discomfort or illness.
Example Sentence: "The surfeit of sugar in his diet was bad for his health."
Synonyms: excess; glut; overabundance; overflow; overindulgence; overkill
Opposite Meaning: shortage

tactile (adjective) /ˈtaktʌɪl/
Definition: Connected with the sense of touch and the ability to perceive physical stimuli through the skin.
Example Sentence: "The dress's fabric was designed to be tactile, with a soft and silky texture."
Synonyms: actual; concrete; existent; material; palpable; physical
Opposite Meaning: intangible

technophobe (noun) /ˈtɛknəʊˌfəʊb/
Definition: An individual who harbors a strong aversion, fear, or reluctance towards technology.
Example Sentence: "My grandfather is a technophobe who still prefers writing letters by hand rather than using email."
Synonyms: abstainer; avoider; computerphobe; luddite; naysayer; neophobe
Opposite Meaning: technophile

tout (verb) /taʊt/
Definition: To promote or advertise something in a positive way, often with the intention of convincing people to buy or use it.
Example Sentence: "The salesman tried to tout his company's products to the potential customers."
Synonyms: advertise; endorse; extol; hail; laud; market
Opposite Meaning: denigrate

trivial (adjective) /ˈtrɪvɪəl/
Definition: Unimportant, insignificant, or of little consequence, often due to a lack of importance, complexity, or seriousness.
Example Sentence: "She dismissed his concerns as trivial and unimportant."
Synonyms: frivolous; immaterial; incidental; inconsequential; insignificant; lightweight
Opposite Meaning: important

vacuous (adjective) /ˈvakjʊəs/
Definition: Empty, devoid of content, or lacking in substance, often suggesting a profound emptiness or shallowness.
Example Sentence: "The vacuous expression on her face made it clear that she wasn't paying attention."
Synonyms: blank; devoid; inane; mindless; shallow; stupid
Opposite Meaning: insightful

velocity (noun) /vɪˈlɒsɪti/
Definition: The rate at which an object or body moves in a particular direction.
Example Sentence: "The rocket's velocity increased as it approached escape velocity."
Synonyms: acceleration; celerity; fleetness; pace; quickness; rapidity
Opposite Meaning: slowness

whittle (verb) /ˈwɪtəl/
Definition: To reduce something in size, amount, or extent by a gradual series of steps.
Example Sentence: "The company had to whittle down its workforce due to budget cuts."
Synonyms: carve; curtail; decrease; downsize; minimize; pare
Opposite Meaning: increase

witty (adjective) /ˈwɪt i/
Definition: Possessing a sharp and clever sense of humor, often characterized by quick thinking, clever remarks, and amusing wordplay.
Example Sentence: "The stand-up comedian delivered a series of witty one-liners that had the audience roaring with laughter."
Synonyms: amusing; clever; comical; droll; entertaining; funny
Opposite Meaning: dull