Online English Vocabulary Flashcards for High School 19 Words

abstract (adjective) /ˈabstrakt/
Definition: Existing in thought or as an idea but not having a physical or concrete existence.
Example Sentence: "The abstract concept of time puzzled the young child."
Synonyms: conceptual; conjectural; hypothetical; immaterial; intangible; intellectual
Opposite Meaning: concrete

acquisition (noun) /ˌæk wəˈzɪʃ ən/
Definition: The act of obtaining or gaining control over something, such as a company, property, or asset.
Example Sentence: "The strategic acquisition allowed the business to enter new markets."
Synonyms: addition; appropriation; attainment; buyout; consolidation; merger
Opposite Meaning: loss

afterward (adverb) /ˈæf tər wərd/
Definition: To indicate that something occurs or happens subsequent to another event or action.
Example Sentence: "The storm passed, and afterward, the sun emerged, casting a warm glow over the landscape."
Synonyms: consequently; following; henceforth; later; next; post
Opposite Meaning: previously

allowance (noun) /əˈlaʊ əns/
Definition: An allowance refers to a regular sum of money given to someone, often on a scheduled basis.
Example Sentence: "She receives a clothing allowance from her employer to maintain a professional appearance."
Synonyms: allocation; budget; dispensation; grant; perquisite; portion
Opposite Meaning: restriction

ardor (noun) /ˈɑr dər/
Definition: Intense enthusiasm, passion, or eagerness towards a particular pursuit, goal, or activity.
Example Sentence: "The artist painted with such ardor that you could feel the passion in every brushstroke."
Synonyms: affection; devotion; eagerness; enthusiasm; fervency; fervor
Opposite Meaning: apathy

arrogant (adjective) /ˈarəɡ(ə)nt/
Definition: Having or showing an attitude of superiority and self-importance.
Example Sentence: "The politician's arrogant behavior turned off many voters."
Synonyms: assuming; cocky; conceited; contemptuous; disdainful; egotistical
Opposite Meaning: humble

askew (adverb) /əˈskyu/
Definition: Positioned or arranged in a crooked, tilted, or off-center fashion.
Example Sentence: "The painting hung askew on the wall, crookedly tilted to one side."
Synonyms: awry; crooked; lopsided; misaligned; oblique; skewed
Opposite Meaning: aligned

aspersions (noun) /əˈspəːʃ(ə)n/
Definition: Negative remarks, criticisms, or accusations that are made against someone or something.
Example Sentence: "The social worker was accused of casting aspersions on the family's living conditions."
Synonyms: attacks; calumnies; censure; defamation; disparagement; innuendos
Opposite Meaning: praises

assortment (noun) /əˈsɔrt mənt/
Definition: A varied collection or grouping of different types of items or things.
Example Sentence: "The gourmet chocolate shop presented an exquisite assortment of truffles and bonbons."
Synonyms: array; assemblage; choice; collection; compilation; diversity
Opposite Meaning: uniformity

assume (verb) /əˈsum/
Definition: To take or accep something to be true, without concrete evidence or proof.
Example Sentence: "The teacher asked the students to assume different roles for a class exercise."
Synonyms: believe; conjecture; deduce; guess; infer; posit
Opposite Meaning: doubt

auction (noun) /ˈɔk ʃən/
Definition: A public event or process where goods, services, or properties are sold to the highest bidder.
Example Sentence: "The auction house was filled with enthusiastic buyers and sellers."
Synonyms: bazaar; bidding; clearing; dispersal; hammer; liquidation
Opposite Meaning: retention

auspice (noun) /ˈɔːspɪs/
Definition: The protection or support provided by a powerful or influential person or organization.
Example Sentence: "The charitable event was organized under the auspice of a local church."
Synonyms: advocacy; aegis; authority; backing; countenance; guidance
Opposite Meaning: opposition

avert (verb) /əˈvɜrt/
Definition: To prevent or avoid something from happening, especially something negative or dangerous.
Example Sentence: "Wearing a seatbelt can help avert serious injuries in a car accident."
Synonyms: block; deter; forestall; halt; hinder; impede
Opposite Meaning: cause

awful (adjective) /ˈɔ fəl/
Definition: Extremely unpleasant, terrible, or causing a feeling of great discomfort, distress, or dismay.
Example Sentence: "The awful news of the accident left everyone in shock and sadness."
Synonyms: abysmal; appalling; atrocious; dreadful; ghastly; hideous
Opposite Meaning: pleasant

bedeck (verb) /bɪˈdɛk/
Definition: To adorn or decorate something or someone elaborately, often with a variety of decorative elements.
Example Sentence: "The Christmas tree was bedecked with colorful ornaments and twinkling lights."
Synonyms: adorn; array; beautify; deck; decorate; dress
Opposite Meaning: strip

burly (adjective) /ˈbɜr li/
Definition: Strong, robust, and heavily built, typically with a large and muscular physique.
Example Sentence: "The burly bouncer kept watch at the entrance of the club."
Synonyms: beefy; brawny; hefty; hench; powerful; rugged
Opposite Meaning: weak

carafe (noun) /kəˈræf/
Definition: A glass or ceramic container with a narrow neck and a broad base, typically used for serving beverages.
Example Sentence: "The hostess poured wine from a beautiful crystal carafe."
Synonyms: ampulla; bottle; container; crock; decanter; ewer
Opposite Meaning: bottle

configure (verb) /kənˈfɪg yər/
Definition: To arrange or set up something, typically a system, device, or software, in a specific way to achieve a desired outcome or functionality.
Example Sentence: "The software allows users to easily configure their privacy preferences."
Synonyms: adapt; adjust; arrange; calibrate; customize; design
Opposite Meaning: disassemble

contemporary (adjective) /kənˈtɛmp(ə)r(ər)i/
Definition: Belonging to or characteristic of the present time or era.
Example Sentence: "The contemporary furniture store offers a wide range of modern designs."
Synonyms: current; designer; fashionable; latest; new; newfangled
Opposite Meaning: outdated

cryptography (noun) /krɪpˈtɒɡrəfi/
Definition: A field of study that deals with the secure communication of information.
Example Sentence: "Cryptography is an important aspect of computer security."
Synonyms: cipher; ciphering; coding; concealment; cryptanalysis; cryptology
Opposite Meaning: decryption

disbeliever (noun) /ˌdɪsbɪˈliːvə/
Definition: A person who holds a lack of belief or skepticism towards a particular idea, concept, belief system, or proposition.
Example Sentence: "The disbeliever's critical thinking skills made them a valuable contributor to discussions on controversial topics."
Synonyms: agnostic; atheist; cynic; dissenter; doubter; freethinker
Opposite Meaning: believer

disjointed (adjective) /dɪsˈdʒɔɪn tɪd/
Definition: Lacking coherence, consistency, or logical connection.
Example Sentence: "The movie's plot was so disjointed that it was difficult to follow."
Synonyms: chaotic; disconnected; disorderly; disorganized; erratic; fragmented
Opposite Meaning: coherent

disloyalty (noun) /dɪsˈlɔɪ əl ti/
Definition: The act or state of being unfaithful, unreliable, or lacking in loyalty towards someone or something.
Example Sentence: "The athlete's disloyalty to their team caused outrage among fans."
Synonyms: backstabbing; betrayal; breach; faithlessness; inconstancy; infidelity
Opposite Meaning: loyalty

drastic (adjective) /ˈdrastɪk/
Definition: Extreme, severe, and characterized by a significant and often rapid impact or transformation.
Example Sentence: "The drought has had a drastic effect on the local crops."
Synonyms: desperate; dire; harsh; intense; profound; radical
Opposite Meaning: mild

dwell (verb) /dwɛl/
Definition: To reside or live in a particular place for an extended period of time.
Example Sentence: "The memories of her childhood dwell in her heart."
Synonyms: brood; fixate; inhabit; live; mull; nestle
Opposite Meaning: vacate

energy (noun) /ˈɛn ər dʒi/
Definition: Vitality, vigor, and the ability to sustain activity or exertion.
Example Sentence: "The dancer's performance was filled with grace and energy."
Synonyms: dynamism; enthusiasm; force; liveliness; power; spirit
Opposite Meaning: lethargy

exhaust (verb) /ɪgˈzɔst/
Definition: To deplete or use up completely a resource, energy, or supply.
Example Sentence: "We must ensure we do not exhaust our natural resources through reckless consumption."
Synonyms: consume; deplete; drain; empty; fatigue; finish
Opposite Meaning: replenish

exultation (noun) /ˌɛɡz(ʌ)lˈteɪʃn/
Definition: A feeling of great happiness or joy that comes after a victory, achievement, or success.
Example Sentence: "She felt a sense of exultation as she crossed the finish line."
Synonyms: celebration; delight; elation; exhilaration; gladness; glee
Opposite Meaning: sorrow

fearful (adjective) /ˈfɪər fəl/
Definition: Filled with fear or apprehension.
Example Sentence: "The haunted house evoked a sense of fearful anticipation among the visitors."
Synonyms: afraid; anxious; apprehensive; frightened; intimidated; nervous
Opposite Meaning: fearless

fungible (adjective) /ˈfʌn(d)ʒɪbl/
Definition: Interchangeable or replaceable with something of equal value or quantity.
Example Sentence: "Gold is a fungible asset because it can be easily exchanged for cash."
Synonyms: barterable; commutable; commutative; convertible; equivalent; exchangeable
Opposite Meaning: unique

generic (adjective) /ʤəˈnɛrɪk
Definition: Lacking specific individual characteristics or not distinctive in nature.
Example Sentence: "The software had a generic interface that was easy to use."
Synonyms: blanket; broad; common; global; ordinary; standard
Opposite Meaning: unique

gnomic (adjective) /ˈnəʊmɪk/
Definition: Concise, mysterious, and often difficult to understand due to its cryptic or aphoristic nature.
Example Sentence: "The wise old man spoke in gnomic riddles that left the villagers pondering."
Synonyms: abstruse; ambiguous; brusque; enigmatic; laconic; obscure
Opposite Meaning: clear

guardianship (noun) /ˈgɑr di ənˌʃɪp/
Definition: The legal authority and responsibility entrusted to a person, often referred to as a guardian, to care for and make decisions on behalf of another individual who is unable to do so themselves.
Example Sentence: "The grandmother assumed guardianship of her grandchild when the parents were unable to care for them."
Synonyms: care; charge; custodianship; custody; oversight; protection
Opposite Meaning: neglect

guardrail (noun) /ˈgɑrdˌreɪl/
Definition: A safety barrier or protective railing typically installed along the edges of elevated surfaces, such as roads, bridges, or balconies, to prevent accidental falls or collisions.
Example Sentence: "The car skidded off the road but was stopped by the guardrail."
Synonyms: balustrade; barricade; barrier; blockade; boundary; enclosure
Opposite Meaning: hazard

implausible (adjective) /ɪmˈplɔ zə bəl/
Definition: Difficult to believe or accept due to a lack of credibility, logic, or reason.
Example Sentence: "The story he told was so implausible that nobody believed a word of it."
Synonyms: doubtful; fantastical; improbable; inconceivable; incredible; preposterous
Opposite Meaning: plausible

inarguable (adjective) /ɪnˈɑr gyu ə bəl/
Definition: Beyond dispute, or unquestionable.
Example Sentence: "The sun rising in the east is an inarguable fact."
Synonyms: absolute; certain; clear; conclusive; definitive; evident
Opposite Meaning: disputable

incredulously (adverb) /ɪnˈkrɛdʒ ə ləs li/
Definition: Characterized by disbelief or skepticism.
Example Sentence: "The shopkeeper eyed the customer incredulously as he attempted to haggle for an absurdly low price."
Synonyms: amazedly; astoundedly; disapprovingly; disbelievingly; distrustfully; doubtfully
Opposite Meaning: credulously

indefinite (adjective) /ɪnˈdɛf ə nɪt/
Definition: Lacking a specific or precise limit, duration, or definition.
Example Sentence: "They embarked on an indefinite journey, uncertain of their destination."
Synonyms: ambiguous; imprecise; indeterminate; uncertain; undetermined; unfixed
Opposite Meaning: definite

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

influence (noun) /ˈɪn flu əns/
Definition: The power, effect, or impact that one person, thing, or idea has on another.
Example Sentence: "His father's influence played a significant role in shaping his career choices."
Synonyms: authority; clout; command; control; dominance; effect
Opposite Meaning: powerlessness

informed (adjective) /ɪnˈfɔrmd/
Definition: Possessing knowledge, understanding, or awareness on a particular subject or issue.
Example Sentence: "The doctor made an informed decision to change the treatment plan."
Synonyms: acquainted; aware; cognizant; educated; enlightened; instructed
Opposite Meaning: ignorant

inherit (verb) /ɪnˈhɛr ɪt/
Definition: To receive or acquire certain qualities, characteristics, possessions, or rights from one's ancestors or predecessors.
Example Sentence: "They are expected to inherit a large sum from their distant relative."
Synonyms: acquire; assume; bequeath; collect; derive; gain
Opposite Meaning: disown

joie-de-vivre (noun) /ʒwadəˈvi vrə/
Definition: A French expression that encapsulates a zest for life, an exuberant enjoyment of living, and a contagious enthusiasm for the pleasures and beauties of existence.
Example Sentence: "Her joie de vivre was contagious, spreading laughter and cheer wherever she went."
Synonyms: buoyancy; cheerfulness; elation; enthusiasm; exuberance; happiness
Opposite Meaning: apathy

lurch (verb) /lɜrtʃ/
Definition: To make a sudden, jerky, and often uncontrolled movement or shift, typically involving a quick and abrupt change in direction or position.
Example Sentence: "The ship began to lurch from side to side as it encountered rough waves."
Synonyms: falter; jerk; jolt; pitch; reel; stagger
Opposite Meaning: stabilize

masterly (adjective) /ˈmæs tər li/
Definition: Executed or performed with great skill, expertise, or mastery.
Example Sentence: "The sculptor's masterly craftsmanship brought the marble sculpture to life."
Synonyms: accomplished; adept; adroit; capable; consummate; deft
Opposite Meaning: clumsy

moneyed (adjective) /ˈmʌn id/
Definition: Possessing considerable wealth or financial resources.
Example Sentence: "The moneyed art collector acquired rare and valuable masterpieces for their private collection."
Synonyms: affluent; flush; loaded; opulent; privileged; prosperous
Opposite Meaning: poor

mull (verb) /mʌl/
Definition: To carefully consider, ponder, or contemplate something, often with a sense of deliberation or reflection.
Example Sentence: "Before making that life-changing decision, be sure to mull over all the pros and cons."
Synonyms: assess; brood; consider; contemplate; deliberate; meditate
Opposite Meaning: ignore

nauseating (adjective) /ˈnɔ ziˌeɪ tɪŋ/
Definition: Inducing a feeling of extreme disgust, queasiness, or revulsion.
Example Sentence: "The rotting garbage emitted a nauseating stench that filled the entire room."
Synonyms: abhorrent; disgusting; loathsome; noxious; queasy; repulsive
Opposite Meaning: appetizing

negotiator (noun) /nɪˈɡəʊʃɪeɪtə/
Definition: An individual who engages in the process of negotiation on behalf of oneself or others.
Example Sentence: "The negotiator skillfully mediated between the two parties to reach a fair settlement."
Synonyms: arbitrator; broker; conciliator; dealmaker; diplomat; emissary
Opposite Meaning: antagonist

nettle (verb) /ˈnɛtəl/
Definition: To irritate, provoke, or annoy someone or something, often by actions, words, or behaviors that cause mild to moderate irritation or frustration.
Example Sentence: "The persistent ringing of the phone was starting to nettle her."
Synonyms: aggravate; annoy; bother; bug; gall; goad
Opposite Meaning: appease

obelisk (noun) /ˈɒb ə lɪsk/
Definition: A tall, upright, four-sided monument or pillar with a pointed or pyramidal top.
Example Sentence: "The Washington Monument is an iconic obelisk that honors the first President of the United States, George Washington."
Synonyms: cenotaph; column; marker; menhir; monolith; monument
Opposite Meaning: flatland

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

obsessive (adjective) /əbˈsɛs ɪv/
Definition: Overly preoccupied or fixated on a particular subject, idea, or activity.
Example Sentence: "Her obsessive focus on her appearance led to an unhealthy relationship with food and exercise."
Synonyms: compulsive; consumed; devoted; driven; fanatic; fanatical
Opposite Meaning: casual

obverse (noun) /ˈɒb vɜrs/
Definition: The front or primary side of a coin, medal, or other similar objects.
Example Sentence: "We need to explore the obverse of the argument to ensure a well-rounded analysis."
Synonyms: appearance; aspect; countenance; display; facade; face
Opposite Meaning: reverse

ostensibly (adverb) /ɒˈstɛnsɪbli/
Definition: Appearing to be true on the surface, but may not actually be the case.
Example Sentence: "The couple was ostensibly happily married, but rumors of a separation circulated."
Synonyms: allegedly; apparently; evidently; outwardly; professedly; seemingly
Opposite Meaning: genuinely

outrage (noun) /ˈaʊt reɪdʒ/
Definition: A strong and intense feeling of anger, shock, or indignation in response to an action, event, or situation that is considered morally or socially unacceptable.
Example Sentence: "The news of the corruption scandal sparked public outrage across the country."
Synonyms: affront; anger; fury; indignation; ire; offense
Opposite Meaning: delight

poppycock (noun) /ˈpɒp iˌkɒk/
Definition: Nonsense or meaningless talk that is considered absurd, false, or foolish.
Example Sentence: "His explanation for the missing assignment was pure poppycock."
Synonyms: balderdash; baloney; blather; bunk; claptrap; drivel
Opposite Meaning: truth

positive (adjective) /ˈpɒz ɪ tɪv/
Definition: Characterized by optimism, favorability, or a constructive nature.
Example Sentence: "The company's positive reputation in the industry attracted top talent to join their team."
Synonyms: advantageous; affirmative; beneficial; buoyant; constructive; encouraging
Opposite Meaning: negative

preacher (noun) /ˈpri tʃər/
Definition: An individual who delivers sermons or religious teachings as part of their role within a religious community or organization.
Example Sentence: "People flocked to hear the renowned preacher speak at the religious conference."
Synonyms: clergyman; cleric; evangelist; minister; parson; pastor
Opposite Meaning: layperson

predisposed (adjective) /ˌpri dɪˈspoʊzd/
Definition: Having a natural inclination, tendency, or susceptibility towards a certain condition, behavior, or outcome.
Example Sentence: "The study found that individuals with a certain gene were predisposed to obesity."
Synonyms: amenable; apt; disposed; given; inclined; liable
Opposite Meaning: averse

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

radius (noun) /ˈreɪ di əs/
Definition: The distance from the center of a circle or sphere to any point on its circumference or surface.
Example Sentence: "The geologist analyzed the radius of the impact crater to assess its size and force."
Synonyms: distance; expanse; extent; interval; length; measurement
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

respecting (preposition) /rɪˈspɛk tɪŋ/
Definition: Consideration, acknowledgement, or reference to a particular subject, topic, or aspect.
Example Sentence: "The committee conducted an investigation respecting the allegations of misconduct."
Synonyms: about; apropos; concerning; over; pertaining; regarding
Opposite Meaning: ignoring

route (noun) /rut/
Definition: A path or course taken to reach a particular destination.
Example Sentence: "We took a scenic route through the countryside to reach our destination."
Synonyms: circuit; course; direction; itinerary; journey; line
Opposite Meaning: destination

sacrilegious (adjective) /ˌsækrəˈlɛʤɪs/
Definition: Show disrespect or irreverence towards something that is considered sacred or holy.
Example Sentence: "The use of the church as a backdrop for a music video was considered sacrilegious."
Synonyms: blasphemous; godless; heretical; impious; indecent; lewd
Opposite Meaning: reverent

sanctify (verb) /ˈsæŋk təˌfaɪ/
Definition: To make someone or something pure, holy, and morally cleansed.
Example Sentence: "Confession allows believers to sanctify their souls and seek forgiveness for sins."
Synonyms: absolve; atone; bless; consecrate; expiate; forgive
Opposite Meaning: desecrate

savor (verb) /ˈseɪ vər/
Definition: To fully enjoy, relish, or appreciate something, typically related to taste or experience.
Example Sentence: "She closed her eyes to savor the taste of the decadent chocolate cake."
Synonyms: appreciate; bask; cherish; delight; enjoy; feast
Opposite Meaning: disregard

shower (verb) /ˈʃaʊ ər/
Definition: To pour or spray water or other substances in a continuous, forceful manner.
Example Sentence: "Don't forget to shower after your workout."
Synonyms: bathe; cascade; deluge; douse; drench; drizzle
Opposite Meaning: dry

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

stronghold (noun) /ˈstrɔŋˌhoʊld/
Definition: A place or position of great strength, security, and control.
Example Sentence: "The ancient castle served as a formidable stronghold against invading armies."
Synonyms: bastion; bulwark; citadel; fastness; fortification; fortress
Opposite Meaning: weakness

submersible (adjective) /səbˈmɜr sə bəl/
Definition: Capable of being submerged or operated underwater.
Example Sentence: "The submersible vessel withstood the intense pressure at great depths."
Synonyms: abyssal; bathyscaphe; bottomless; dunked; engulfed; flooded
Opposite Meaning: non-waterproof

subsequent (adjective) /sʌbsɪkwənt
Definition: Coming after or following in order or sequence.
Example Sentence: "The subsequent chapter in the book revealed the shocking twist in the plot."
Synonyms: after; consequent; ensuing; following; later; next
Opposite Meaning: preceding

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

terrible (adjective) /ˈtɛr ə bəl/
Definition: Of extremely poor or low quality, or something that causes great distress, fear, or unhappiness.
Example Sentence: "The movie received terrible reviews from critics and audiences alike."
Synonyms: abysmal; appalling; atrocious; awful; dismal; dreadful
Opposite Meaning: wonderful