top of page

Online English Vocabulary Flashcards for High School 3 Words

Vocabulary Lists  >  High School  >  High School 3

How to Use These Flashcards

Learn High School 3 vocabulary words with this free 75-card online vocabulary flashcard study set. Flip each flash card to see the part of speech, definition, and example sentence.

Click the speaker for audio pronunciation, and click any word for the full dictionary entry.

More Leaning Activities

Test your knowledge of High School 3 vocabulary words with online quizzes and spelling bee practice:

Flip the flashcards

Boost your vocabulary with this High School list, perfect for Grades 9-12. From 'adequate' to 'zilch,' each word is a step towards a richer understanding of language.

1/75

adequate

How to pronounce adequate (audio)

Includes synonyms, etymology, and a detailed definition.

Part of Speech

adjective

Definition

Sufficient, suitable or enough to meet a particular need or purpose.

Example Sentence

"The accommodation was adequate, but not luxurious."

Complete Flashcards List for High School 3 with Definitions, POS, IPA, Examples, Synonyms, and Antonyms

adequate (adjective) /ˈadɪkwət/
Definition: Sufficient, suitable or enough to meet a particular need or purpose.
Example Sentence: "The accommodation was adequate, but not luxurious."
Synonyms: acceptable; fair; mediocre; middling; moderate; ordinary
Opposite Meaning: inadequate

ad-nauseam (adverb) /ˌad ˈnɔːzɪəm/
Definition: To repeat excessively, often to the point of becoming monotonous, tiresome, or irritating.
Example Sentence: "The debate on the issue went on ad nauseam without any resolution."
Synonyms: ceaselessly; endlessly; excessively; exhaustively; incessantly; interminably
Opposite Meaning: seldom

amalgam (noun) /əˈmælɡəm/
Definition: A combination of two or more different things, often used to describe a mixture of metals.
Example Sentence: "The band's music was an amalgam of different genres."
Synonyms: alloy; amalgamation; blend; coalescence; compound; fusion
Opposite Meaning: pure

argument (noun) /ˈɑr gyə mənt/
Definition: A verbal or written exchange of ideas or opinions between individuals or groups with the aim of presenting and defending different viewpoints.
Example Sentence: "The couple engaged in a heated argument over household chores."
Synonyms: altercation; clash; conflict; confrontation; contention; debate
Opposite Meaning: agreement

attach (verb) /əˈtætʃ/
Definition: To join or connect one thing to another.
Example Sentence: "He decided to attach a heartfelt note to the gift."
Synonyms: adhere; affix; bind; connect; couple; fasten
Opposite Meaning: detach

attachment (noun) /əˈtætʃ mənt/
Definition: A deep emotional connection or bond that one forms with someone or something.
Example Sentence: "The mother had a strong attachment to her newborn baby."
Synonyms: affection; affinity; bond; connection; dedication; devotion
Opposite Meaning: detachment

avidity (noun) /əˈvɪd ɪ ti/
Definition: A strong, eager, or intense enthusiasm, passion, or desire for something.
Example Sentence: "His avidity for adventure led him to explore remote and challenging terrains."
Synonyms: ardor; craving; devotion; eagerness; enthusiasm; fervor
Opposite Meaning: indifference

blend (verb) /blɛnd/
Definition: To combine or mix different elements or substances together to create a unified or harmonious whole.
Example Sentence: "The architect designs buildings that blend modern and traditional elements."
Synonyms: combine; commingle; fuse; harmonize; homogenize; incorporate
Opposite Meaning: separate

bulwark (noun) /ˈbʊlwək/
Definition: A defensive wall or barrier that is used to protect a person, place, or thing from harm or external threats.
Example Sentence: "The fort's walls served as a bulwark against enemy attacks."
Synonyms: bastion; buffer; embankment; fortification; guard; protection
Opposite Meaning: hazard

canopy (noun) /ˈkæn ə pi/
Definition: An overhead covering or structure that provides shade, shelter, or protection from the elements.
Example Sentence: "The dense forest canopy provided shelter for various bird species."
Synonyms: awning; cap; ceiling; covering; hood; roof
Opposite Meaning: expose

compact (adjective) /kəmˈpækt/
Definition: Small in size or taking up minimal space.
Example Sentence: "The compact design of the new smartphone allowed for easy one-handed use."
Synonyms: bijou; compressed; concise; condensed; efficient; miniature
Opposite Meaning: bulky

consign (verb) /kənˈsʌɪn/
Definition: To entrust something or someone to the care of another person or entity for safekeeping or disposal.
Example Sentence: "The company decided to consign the defective products to the scrapyard."
Synonyms: assign; commit; convey; deliver; deposit; dispatch
Opposite Meaning: reclaim

consumption (noun) /kənˈsʌmp ʃən/
Definition: The act or process of using up or depleting resources, goods, or services.
Example Sentence: "The excessive consumption of sugary drinks has been linked to various health issues such as obesity and diabetes."
Synonyms: depletion; devouring; dissipation; eating; expenditure; intake
Opposite Meaning: conservation

crevasse (noun) /krəˈvæs/
Definition: A deep crack or fissure that forms in a glacier or an ice field.
Example Sentence: "The expedition team encountered a deep crevasse while traversing the glacier."
Synonyms: abyss; chasm; cleft; crack; fissure; fracture
Opposite Meaning: closure

desensitize (verb) /diːˈsɛnsɪtʌɪz/
Definition: To decrease the emotional or physiological response to a stimulus over time.
Example Sentence: "Exposure therapy can help desensitize people to their phobias."
Synonyms: anesthetize; blunt; dampen; deaden; diminish; lessen
Opposite Meaning: sensitize

discrete (adjective) /dɪˈskrit/
Definition: Separate, distinct, or individually distinguishable.
Example Sentence: "The project was broken down into discrete tasks, assigned to different team members for efficiency."
Synonyms: detached; discreet; distinct; independent; individual; isolated
Opposite Meaning: combined

division (noun) /dɪˈvɪʒ ən/
Definition: The act or process of separating or dividing something into distinct parts or groups.
Example Sentence: "The political debate led to a deep division among the citizens, with differing opinions on key issues."
Synonyms: bifurcation; breakup; discord; disintegration; disunion; fragmentation
Opposite Meaning: union

dubiously (adverb) /ˈdjuːbiəsli/
Definition: With uncertainty, skepticism, or doubt.
Example Sentence: "He raised an eyebrow dubiously as he listened to the outlandish story."
Synonyms: ambiguously; cynically; doubtfully; hesitantly; incredulously; irresolutely
Opposite Meaning: certainly

epicene (adjective) /ˈɛp ɪˌsin/
Definition: Lacking distinct or easily identifiable gender characteristics.
Example Sentence: "The model had an epicene beauty, possessing both delicate features and strong presence."
Synonyms: ambiguous; androgynous; bisexual; genderless; gynandrous; hermaphroditic
Opposite Meaning: gendered

erroneous (adjective) /ɪˈrəʊnɪəs/
Definition: Containing errors, inaccuracies, or mistakes, often in the context of information, statements, beliefs, or actions.
Example Sentence: "The erroneous data caused the researchers to come to the wrong conclusion."
Synonyms: fallacious; false; imprecise; inaccurate; incorrect; inexact
Opposite Meaning: accurate

erudition (noun) /ˌɛr yʊˈdɪʃ ən/
Definition: Extensive knowledge, learning, or scholarship in a particular field or multiple areas of study.
Example Sentence: "His erudition in ancient history made him a respected authority in the field."
Synonyms: acumen; cultivation; education; expertise; intellect; intelligence
Opposite Meaning: ignorance

existential (adjective) /ˌɛɡzɪˈstɛnʃ(ə)l/
Definition: Concerned with the nature of human existence and experience.
Example Sentence: "He had an existential crisis after he concluded that life had no purpose."
Synonyms: empirical; experiential; experimental; human; individual; introspective
Opposite Meaning: irrelevant

expiation (noun) /ˌɛkspɪˈeɪʃᵊn/
Definition: The act of atoning for a wrongdoing or sin.
Example Sentence: "The criminal sought expiation for his heinous crimes through a lifetime of good deeds."
Synonyms: absolution; amends; atonement; contrition; forgiveness; indemnification
Opposite Meaning: wrongdoing

formative (adjective) /ˈfɔr mə tɪv/
Definition: Playing a significant role in shaping or influencing the development or formation of someone or something.
Example Sentence: "Reading books had a formative impact on my imagination and creativity."
Synonyms: crucial; defining; determining; developmental; foundational; influential
Opposite Meaning: inconsequential

frontal (adjective) /ˈfrʌn tl/
Definition: Relating to the front or forward-facing aspect of something.
Example Sentence: "The frontal lobe of the brain is responsible for higher cognitive functions."
Synonyms: anterior; confronting; direct; facing; fore; foremost
Opposite Meaning: rear

furlough (noun) /ˈfɜrloʊ/
Definition: A temporary leave of absence or vacation, often granted to an employee for a specific period of time.
Example Sentence: "The factory workers were put on furlough due to a shortage of materials."
Synonyms: break; dismissal; holiday; layoff; redundancy; respite
Opposite Meaning: employment

furor (noun) /ˈfyʊər ɔr/
Definition: A state of intense excitement, uproar, or public outcry generated by a particular event, issue, or controversy.
Example Sentence: "The film's explicit content caused a furor among conservative groups."
Synonyms: agitation; commotion; controversy; disturbance; frenzy; hullabaloo
Opposite Meaning: calm

gander (noun) /ˈgæn dər/
Definition: A brief or casual observation of something or someone.
Example Sentence: "She took a quick gander at the menu before deciding what to order."
Synonyms: glance; glimpse; inspection; look; observation; peek
Opposite Meaning: study

gazebo (noun) /gəˈzeɪ boʊ/
Definition: An architectural structure typically found in gardens or parks, designed to provide a shaded and picturesque gathering place for relaxation and enjoyment.
Example Sentence: "The gazebo stood proudly in the center of the garden, inviting visitors to relax and enjoy the surrounding beauty."
Synonyms: alcove; arbor; belvedere; hut; kiosk; pagoda
Opposite Meaning: building

georgic (adjective) /ˈdʒɔr dʒɪk/
Definition: Relating to agriculture or rural life.
Example Sentence: "The georgic imagery in the painting depicted farmers tending to their crops under the golden sun."
Synonyms: agrarian; agricultural; agronomic; bucolic; country; countryside
Opposite Meaning: urban

greed (noun) /grid/
Definition: An intense and selfish desire for excessive wealth, possessions, or power.
Example Sentence: "His insatiable greed for money drove him to engage in illegal activities."
Synonyms: acquisitiveness; avarice; avidity; covetousness; craving; cupidity
Opposite Meaning: generosity

grovel (verb) /ˈɡrɒvl/
Definition: To act in a subservient or overly submissive manner, often in an attempt to gain favor or forgiveness from someone more powerful or important.
Example Sentence: "The employee was forced to grovel in front of his boss to keep his job."
Synonyms: beg; beseech; blandish; bootlick; cower; crawl
Opposite Meaning: stand firm

hacienda (noun) /ˌhæsɪˈɛndə/
Definition: A large estate or plantation, usually in a Spanish-speaking country, that is used for agricultural purposes.
Example Sentence: "The hacienda was nestled in the lush hills of Mexico."
Synonyms: agrarian; estate; farm; farmstead; grange; homestead
Opposite Meaning: apartment

heir (noun) /eə/
Definition: A person who is entitled to inherit the property, assets, or title of a deceased individual.
Example Sentence: "The young prince was the sole heir to the throne."
Synonyms: beneficiary; devisee; heiress; inheritor; legatee; recipient
Opposite Meaning: dispossessor

horrible (adjective) /ˈhɔr ə bəl/
Definition: Evoking a strong sense of fear, disgust, or extreme unpleasantness.
Example Sentence: "The horrible smell coming from the kitchen made me lose my appetite."
Synonyms: abominable; appalling; awful; dreadful; frightful; ghastly
Opposite Meaning: wonderful

immemorial (adjective) /ˌɪməˈmɔːrɪəl/
Definition: Referring to a time so ancient and distant that it exists beyond the bounds of human memory or recorded history.
Example Sentence: "The beauty of the starry night sky has captivated humans since time immemorial."
Synonyms: ageless; ancient; antediluvian; antiquated; antique; archaic
Opposite Meaning: recent

immure (verb) /ɪˈmyʊər/
Definition: To enclose or confine someone or something within a structure, often with the intent of isolating them from the outside world.
Example Sentence: "The author chose to immure himself in a remote cabin to finish his novel."
Synonyms: cage; corral; encage; encase; envelop; imprison
Opposite Meaning: release

impeller (noun) /ɪmˈpɛl ər/
Definition: A rotating component within a machine or device that is responsible for creating fluid flow or generating propulsion.
Example Sentence: "The turbine's impeller blades captured the force of the flowing river, generating electricity."
Synonyms: agitator; blade; fan; mixer; paddle; propeller
Opposite Meaning: stationary

incident (noun) /ˈɪn sɪ dənt/
Definition: An event, occurrence, or happening that takes place, often unexpectedly, and attracts attention or has a notable impact.
Example Sentence: "The police were called to investigate the domestic incident next door."
Synonyms: affair; case; circumstance; episode; event; happening
Opposite Meaning: nonoccurrence

invalidate (verb) /ɪnˈvæl ɪˌdeɪt/
Definition: To negate, nullify, or render something invalid or without legal or logical effect.
Example Sentence: "The committee voted to invalidate the election results based on evidence of fraud."
Synonyms: abolish; abrogate; annul; cancel; dismiss; disqualify
Opposite Meaning: validate

isolationism (noun) /ˌaɪ səˈleɪ ʃəˌnɪz əm/
Definition: A political or foreign policy approach adopted by a country or a group of people that prioritizes self-reliance, independence, and minimal involvement in international affairs.
Example Sentence: "The country's decision to embrace isolationism led to a decline in international trade and diplomatic relations."
Synonyms: aloofness; detachment; independence; insularity; insulation; reclusiveness
Opposite Meaning: internationalism

junkie (noun) /ˈdʒʌŋ ki/
Definition: An individual who is addicted to drugs, typically those of a narcotic nature.
Example Sentence: "The junkie desperately searched for their next dose of drugs."
Synonyms: addict; crackhead; dependent; dopehead; druggie; fiend
Opposite Meaning: abstainer

keep (verb) /kip/
Definition: To retain, maintain, or preserve something in one's possession, control, or care.
Example Sentence: "Remember to keep the receipt in case you need to return the item."
Synonyms: adhere; guard; hold; maintain; obey; possess
Opposite Meaning: abandon

loot (noun) /lut/
Definition: Valuable items, goods, or money that has been stolen, plundered, or taken forcefully, typically during times of conflict, looting, or theft.
Example Sentence: "The pirates divided the loot equally among themselves after plundering the merchant ship."
Synonyms: booty; gains; haul; pilfered; plunder; prey
Opposite Meaning: donation

madcap (adjective) /ˈmædˌkæp/
Definition: Characterized by wild, reckless, and often impulsive behavior.
Example Sentence: "He bought a unicycle, continuing his streak of madcap hobbies."
Synonyms: eccentric; harebrained; nutty; offbeat; quirky; unconventional
Opposite Meaning: sensible

malarkey (noun) /məˈlɑːki/
Definition: Speech or writing that is considered to be nonsense or meaningless
Example Sentence: "I'm tired of all this malarkey, let's move on to more important things."
Synonyms: balderdash; baloney; claptrap; codswallop; drivel; hogwash
Opposite Meaning: sense

mercantile (adjective) /ˈməːk(ə)ntʌɪl/
Definition: Relating to or is associated with trade, commerce, or business activities, particularly those involving the buying, selling, or exchange of goods and services.
Example Sentence: "The mercantile exchange served as a hub for trading commodities."
Synonyms: business; capitalistic; commercial; economic; exchange; financial
Opposite Meaning: non-commercial

mingle (verb) /ˈmɪŋ gəl/
Definition: To combine or mix different elements, substances, or people in a way that they become intermingled or blended together.
Example Sentence: "During the conference, participants had the opportunity to mingle with industry experts."
Synonyms: blend; combine; commingle; consort; converge; interact
Opposite Meaning: separate

modern (adjective) /ˈmɒd ərn/
Definition: Pertaining to the present time or is characteristic of contemporary or current trends, styles, or ideas.
Example Sentence: "The modern kitchen features sleek stainless steel appliances."
Synonyms: advanced; contemporary; current; fresh; innovative; new
Opposite Meaning: outdated

negative (adjective) /ˈnɛg ə tɪv/
Definition: Unfavorable, pessimistic, or expressing dissent or disagreement.
Example Sentence: "The critic gave a negative review of the movie, highlighting its flaws."
Synonyms: adverse; bleak; contrary; cynical; detrimental; dissenting
Opposite Meaning: positive

novice (noun) /ˈnɒv ɪs/
Definition: An individual who is new, inexperienced, or just beginning to learn or engage in a particular activity, skill, or field of interest.
Example Sentence: "The novice baker eagerly mixed the ingredients for his first cake."
Synonyms: amateur; apprentice; beginner; fledgling; greenhorn; initiate
Opposite Meaning: expert

numbing (adjective) /ˈnʌm ɪŋ/
Definition: Causing a loss or reduction in physical or emotional sensation, often resulting in a lack of feeling or a dulling effect.
Example Sentence: "The news of the accident was numbing, leaving everyone in shock."
Synonyms: anesthetizing; benumbing; chilling; deadening; desensitizing; dulling
Opposite Meaning: stimulating

nuts (adjective) /nʌts/
Definition: Crazy, insane, or mentally unstable.
Example Sentence: "He's acting totally nuts lately, doing things out of character."
Synonyms: batty; bonkers; crazy; cuckoo; demented; deranged
Opposite Meaning: sane

oppugn (verb) /əˈpyun/
Definition: To question the validity or truth of an idea, a claim, or a person's actions.
Example Sentence: "The lawyer will oppugn the evidence presented by the prosecution."
Synonyms: argue; challenge; contest; contradict; debate; dispute
Opposite Meaning: accept

plagiarism (noun) /ˈpleɪ dʒəˌrɪz əm/
Definition: The act of using someone else's words, ideas, or creative work without giving proper credit or obtaining permission.
Example Sentence: "The singer faced accusations of plagiarism when similarities between her song and another artist's work were pointed out."
Synonyms: appropriation; bootlegging; borrowing; copying; counterfeiting; fraud
Opposite Meaning: originality

pleasant (adjective) /ˈplɛz ənt/
Definition: Bringing a sense of enjoyment, satisfaction, or contentment.
Example Sentence: "She had a pleasant conversation with her neighbor over a cup of tea."
Synonyms: agreeable; amiable; charming; comforting; congenial; delightful
Opposite Meaning: unpleasant

poltroon (noun) /pɒlˈtrun/
Definition: A person who is characterized by extreme cowardice, timidity, or a complete lack of courage and moral fortitude.
Example Sentence: "The cowardly poltroon hid behind his friends when confronted by the bullies."
Synonyms: chicken; coward; craven; dastard; faintheart; milksop
Opposite Meaning: hero

predicament (noun) /prɪˈdɪkəm(ə)nt/
Definition: A difficult or unfortunate situation, often one that is caused by a complex set of circumstances and from which there is no easy or obvious way out.
Example Sentence: "She was in a difficult predicament when her passport got stolen abroad."
Synonyms: bind; crisis; dilemma; emergency; hardship; imbroglio
Opposite Meaning: advantage

proviso (noun) /prəˈvaɪzoʊ/
Definition: A condition or stipulation that is attached to an agreement, contract, or proposal.
Example Sentence: "The offer came with a proviso that the price was non-negotiable."
Synonyms: caveat; clause; precondition; prerequisite; qualification; requirement
Opposite Meaning: certainty

pussyfoot (verb) /ˈpʊs iˌfʊt/
Definition: To move cautiously, hesitantly, or stealthily, often characterized by a lack of confidence or assertiveness.
Example Sentence: "Despite having strong opinions, he felt he had to pussyfoot around controversial topics."
Synonyms: dillydally; dodge; equivocate; falter; hesitate; meander
Opposite Meaning: confront

quantum (noun) /ˈkwɒntəm/
Definition: The smallest amount of energy that can be emitted or absorbed in a physical interaction.
Example Sentence: "The quantum field theory explains the behavior of particles at the subatomic level."
Synonyms: body; coefficient; degree; measure; number; portion
Opposite Meaning: macroscopic

recluse (noun) /rɪˈkluːs/
Definition: A person who chooses to live in solitude, away from the company of others.
Example Sentence: "The hermit lived as a recluse in the forest, shunning all contact with civilization."
Synonyms: anchorite; ascetic; cenobite; eremite; hermit; homebody
Opposite Meaning: socialite

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

repercussion (noun) /riːpəˈkʌʃ(ə)n/
Definition: The effect or consequence of an action or event, especially an unwelcome one.
Example Sentence: "The sudden change in policy had an immediate repercussion on the stock market."
Synonyms: aftereffect; aftermath; backwash; echo; fallout; impact
Opposite Meaning: cause

reverberation (noun) /rɪˌvɜr bəˈreɪ ʃən/
Definition: The prolonged and echoing sound that occurs when sound waves bounce off surfaces and continue to resonate in an enclosed or confined space.
Example Sentence: "The gunshot in the narrow alley produced a chilling reverberation."
Synonyms: boom; bounce; echo; reflection; repercussion; resonance
Opposite Meaning: silence

rollicking (adjective) /ˈrɒl ɪ kɪŋ/
Definition: Lively, spirited, and full of fun or enjoyment.
Example Sentence: "The pirate crew burst into rollicking laughter as they shared tales of their adventures."
Synonyms: animated; boisterous; buoyant; exuberant; festive; jolly
Opposite Meaning: dull

salvage (verb) /ˈsalvɪdʒ/
Definition: To rescue or save something from danger, damage, or destruction, and to restore it to a usable or valuable condition.
Example Sentence: "The divers worked to salvage the sunken treasure from the ocean floor."
Synonyms: glean; recover; redeem; regain; repair; repossess
Opposite Meaning: abandon

subsidize (verb) /ˈsʌb sɪˌdaɪz/
Definition: To provide financial assistance, support, or subsidies to an individual, organization, or activity.
Example Sentence: "The university offers scholarships to subsidize tuition costs for deserving students."
Synonyms: aid; assist; back; bankroll; contribute; finance
Opposite Meaning: withhold

substantial (adjective) /səbˈstæn ʃəl/
Definition: Considerable in size, amount, or importance.
Example Sentence: "The company experienced substantial growth in its sales revenue this quarter."
Synonyms: abundant; ample; big; considerable; hefty; large
Opposite Meaning: trivial

tenant (noun) /ˈtɛn ənt/
Definition: An individual or entity who occupies or rents a property or space from a landlord or property owner.
Example Sentence: "The landlord asked the tenant to sign a lease agreement."
Synonyms: boarder; dweller; householder; inhabitant; lessee; lodger
Opposite Meaning: landlord

tradesman (noun) /ˈtreɪdz mən/
Definition: A skilled worker or artisan who is engaged in a particular trade or craft.
Example Sentence: "The tradesman carefully measured and cut the tiles for the bathroom renovation."
Synonyms: artisan; builder; contractor; craftsman; handyman; journeyman
Opposite Meaning: amateur

vilification (noun) /ˌvɪl ə fɪˈkeɪ ʃən/
Definition: The act of defaming, slandering, or maligning someone or something in order to damage their reputation or portray them in a negative light.
Example Sentence: "The whistleblower endured vilification from powerful entities for exposing corporate wrongdoing."
Synonyms: belittlement; calumny; defamation; defaming; denigration; disparagement
Opposite Meaning: praise

warrant (verb) warrant/ˈwɒrənt/
Definition: To provide valid reasons or evidence to support a claim or belief.
Example Sentence: "The evidence presented did not warrant a conviction."
Synonyms: authorize; demand; deserve; justify; merit; necessitate
Opposite Meaning: invalidate

welcoming (adjective) /welkəmɪŋ/
Definition: Inviting, friendly, and open to receiving others with warmth and hospitality.
Example Sentence: "The kind and welcoming gestures of the locals left a lasting impression on the tourists."
Synonyms: accommodating; amiable; congenial; cordial; embracing; friendly
Opposite Meaning: unfriendly

zilch (noun) /zɪltʃ/
Definition: Nothing, zero, or an absence of something.
Example Sentence: "He promised to help, but his contribution amounted to zilch."
Synonyms: blank; cipher; insignificance; nada; naught; nil
Opposite Meaning: everything

bottom of page