Online English Vocabulary Flashcards for High School 5 Words

acculturate (verb) /əˈkʌl tʃəˌreɪt/
Definition: To adapt to and adopt the cultural practices, customs, and values of a different society or group.
Example Sentence: "As immigrants, they had to acculturate to the customs and language of their new country."
Synonyms: absorb; adjust; adopt; assimilate; blend; conform
Opposite Meaning: resist

ancestry (noun) /ænsestri/
Definition: One's familial or genetic heritage, tracing back to previous generations and encompassing the lineages from which an individual or a group of individuals is descended.
Example Sentence: "She took a DNA test to explore her ancestry and learn more about her genetic roots."
Synonyms: background; bloodline; descent; family; forebears; genealogy
Opposite Meaning: descendant

appease (verb) /əˈpiz/
Definition: To calm, pacify, or satisfy someone, often by meeting their demands or addressing their grievances.
Example Sentence: "The company provided a refund to appease the dissatisfied customer."
Synonyms: alleviate; assuage; calm; conciliate; ease; mitigate
Opposite Meaning: provoke

appreciation (noun) /əˌpri ʃiˈeɪ ʃən/
Definition: The act or process of recognizing, valuing, and understanding the worth, significance, or quality of something or someone.
Example Sentence: "The professor showed his appreciation for the students' active participation in class."
Synonyms: recognition; gratitude; thanks; acknowledgment; esteem; admiration
Opposite Meaning: disregard

argue (verb) /ˈɑr gyu/
Definition: To engage in a verbal or written dispute or disagreement with someone, expressing differing viewpoints or opinions.
Example Sentence: "The siblings often argue over who gets to choose the TV channel."
Synonyms: advocate; bicker; challenge; clash; contend; debate
Opposite Meaning: agree

attentive (adjective) /əˈtɛn tɪv/
Definition: Observant, alert, and fully engaged in paying close attention to a person, task, or situation.
Example Sentence: "The waiter was attentive, making sure each diner had everything they needed."
Synonyms: alert; conscientious; considerate; diligent; engaged; focused
Opposite Meaning: inattentive

backer (noun) /ˈbæk ər/
Definition: An individual, group, or organization that provides financial or other forms of support to a person, project, cause, or endeavor.
Example Sentence: "The nonprofit organization received a substantial grant from a philanthropic backer."
Synonyms: advocate; ally; benefactor; champion; collaborator; contributor
Opposite Meaning: opponent

bedouin (noun) /bedʊɪn/
Definition: A nomadic or semi-nomadic ethnic group primarily found in the deserts of the Middle East and North Africa.
Example Sentence: "The Bedouin tribe migrated across the desert in search of grazing land for their camels."
Synonyms: gypsy; herder; itinerant; nomad; roamer; rover
Opposite Meaning: settler

bless (verb) /blɛs/
Definition: To invoke or bestow divine favor, protection, or approval upon someone or something.
Example Sentence: "The priest will bless the congregation during the church service."
Synonyms: anoint; approve; bestow; consecrate; empower; endow
Opposite Meaning: curse

byword (noun) /ˈbaɪˌwɜrd/
Definition: A term or expression that is widely known and used to represent a particular concept, quality, or characteristic.
Example Sentence: "His name is now a byword for betrayal among his former friends."
Synonyms: aphorism; catchphrase; emblem; epitome; hallmark; maxim
Opposite Meaning: unknown

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

collection (noun) /kəˈlɛk ʃən/
Definition: A group or assembly of objects, items, or entities that are purposefully gathered and curated based on a shared characteristic, theme, or purpose.
Example Sentence: "The art museum showcased a stunning collection of impressionist paintings."
Synonyms: accumulation; aggregation; anthology; array; assemblage; assortment
Opposite Meaning: dispersal

corporal (noun) /ˈkɔːp(ə)rəl/
Definition: The physical body of a human or animal, specifically the flesh and bones that make up its structure.
Example Sentence: "Corporal punishment is no longer allowed in schools."
Synonyms: anatomical; bodily; corporeal; fleshly; physical; physiological
Opposite Meaning: intangible

covering (noun) /ˈkʌv ər ɪŋ/
Definition: Any material, substance, or structure that is used to conceal, protect, or envelope something.
Example Sentence: "The sofa had a plush covering that added elegance to the living room."
Synonyms: blanket; cap; coat; concealment; layer; lid
Opposite Meaning: exposure

credential (noun) /krɪˈdɛnʃl/
Definition: A qualification, skill, or ability that a person has that make them suitable for a particular job or task.
Example Sentence: "The credential was a key requirement for attending the conference."
Synonyms: accomplishment; aptitude; attribute; capability; capacity; certification
Opposite Meaning: disqualification

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

destiny (noun) /destɪni/
Definition: The predetermined or inevitable course of events in a person's life or the unfolding of circumstances that shape their future.
Example Sentence: "They felt a strong sense of destiny bringing them together, as if it was meant to be."
Synonyms: chance; doom; fate; fortune; future; inevitability
Opposite Meaning: chance

devalue (verb) /diˈvæl yu/
Definition: To reduce or diminish the worth, importance, or significance of something, typically in terms of monetary value or esteem.
Example Sentence: "The flood damage caused the property's value to devalue significantly."
Synonyms: belittle; cheapen; deflate; depreciate; diminish; discredit
Opposite Meaning: appreciate

disgrace (noun) /dɪsˈgreɪs/
Definition: A state of dishonor, shame, or loss of reputation due to one's actions, behavior, or circumstances.
Example Sentence: "The athlete's doping incident brought disgrace to the sport and tarnished their reputation."
Synonyms: blemish; degradation; discredit; dishonor; humiliation; ignominy
Opposite Meaning: honor

double-entendre (noun) /ˈdʌb əl ɑnˈtɑn drə/
Definition: A double meaning, often intentionally, where one interpretation is innocent or straightforward, and the other carries a more risqué, suggestive, or humorous connotation.
Example Sentence: "The advertisement relied on a subtle double entendre to create intrigue and capture the viewers' attention."
Synonyms: allusion; ambiguity; connotation; entendre; implication; innuendo
Opposite Meaning: clarity

empathize (verb) /ˈɛm pəˌθaɪz/
Definition: To understand and share the feelings, emotions, or experiences of another person.
Example Sentence: "The author's writing allowed readers to empathize with the protagonist's struggles and triumphs."
Synonyms: acknowledge; appreciate; comprehend; connect; feel; identify
Opposite Meaning: disregard

extraneous (adjective) /ɪkˈstreɪnɪəs/
Definition: Not essential or relevant to a particular situation or topic.
Example Sentence: "The extraneous details in the novel slowed down the pace of the story."
Synonyms: immaterial; inapplicable; incidental; inconsequential; inessential; irrelevant
Opposite Meaning: pertinent

former (adjective) /ˈfɔr mər/
Definition: Existed or held a particular status or position in the past but no longer does.
Example Sentence: "She ran into her former high school teacher at the grocery store."
Synonyms: bygone; departed; earlier; erstwhile; late; old
Opposite Meaning: current

fragrant (adjective) /ˈfreɪ grənt/
Definition: Emitting a pleasant, sweet, or pleasing smell.
Example Sentence: "The fragrant scent of blooming roses filled the garden, creating a pleasant and peaceful atmosphere."
Synonyms: ambrosial; aromatic; floral; odorous; perfumed; pleasant
Opposite Meaning: odorless

gargantuan (adjective) /gɑrˈgæn tʃu ən/
Definition: Of enormous size or magnitude.
Example Sentence: "The gargantuan cruise ship towered over the dock, casting a shadow on the entire harbor."
Synonyms: colossal; enormous; gigantic; huge; humongous; immense
Opposite Meaning: tiny

gazette (noun) /guh-zet/
Definition: A type of official publication or newspaper that provides news, announcements, and public notices, often issued by the government or a specific organization.
Example Sentence: "The school gazette highlighted the achievements of students in academics and sports."
Synonyms: bulletin; chronicle; daily; digest; journal; magazine
Opposite Meaning: rumor

grab (verb) /græb/
Definition: To seize, grasp, or take hold of something suddenly or forcefully.
Example Sentence: "The thief tried to grab the woman's purse, but she held onto it tightly."
Synonyms: acquire; capture; catch; clutch; grasp; grip
Opposite Meaning: release

idol (noun) /ˈaɪd l/
Definition: An object, image, person, or concept that is worshipped or revered with great devotion and admiration.
Example Sentence: "The fans screamed with excitement as their idol took the stage."
Synonyms: celebrity; champion; deity; demigod; divinity; figure
Opposite Meaning: adversary

ignorant (adjective) /ɪgnərənt/
Definition: Lacking knowledge, understanding, or awareness about a particular subject or topic.
Example Sentence: "Her ignorant refusal to acknowledge scientific evidence led to misguided health decisions."
Synonyms: clueless; illiterate; inexperienced; naive; oblivious; unaware
Opposite Meaning: knowledgeable

importune (verb) /ˌɪm pɔrˈtun/
Definition: To persistently and repeatedly ask or request something from someone, often in an insistent or annoying manner.
Example Sentence: "Despite her refusal, he continued to importune her for a date."
Synonyms: beg; beseech; hassle; implore; insist; nag
Opposite Meaning: repel

impropriety (noun) /ˌɪmprəˈprʌɪəti/
Definition: Failure to observe social norms or etiquette by displaying behaviour that is improper or inappropriate.
Example Sentence: "Her shocking impropriety at the formal dinner left guests astounded."
Synonyms: dishonesty; illegitimacy; immodesty; immorality; impoliteness; inappropriateness
Opposite Meaning: propriety

indifference (noun) /ɪnˈdɪf ər əns/
Definition: The lack of interest, concern, or emotion towards something or someone.
Example Sentence: "He shrugged with indifference when asked about his future plans."
Synonyms: aloofness; apatheticness; apathy; coolness; detachment; disinterest
Opposite Meaning: interest

instil (verb) /ɪnˈstɪl/
Definition: To impart, introduce, or implant an idea, belief, value, or quality in someone or something.
Example Sentence: "The teacher sought to instil a love for reading in her students by introducing them to captivating books."
Synonyms: embed; imbue; impart; implant; indoctrinate; inflict
Opposite Meaning: extract

intimacy (noun) /ˈɪn tə mə si/
Definition: The deep emotional connection and closeness that exists between individuals, whether it be in a romantic relationship, friendship, or familial bond.
Example Sentence: "The couple's intimacy grew stronger as they shared their deepest secrets with each other."
Synonyms: affection; attachment; bond; closeness; companionship; connection
Opposite Meaning: distance

iota (noun) /aɪˈoʊ tə/
Definition: An extremely small or infinitesimal amount or quantity.
Example Sentence: "There isn't an iota of truth in the rumor that's been circulating."
Synonyms: atom; fragment; grain; jot; mite; modicum
Opposite Meaning: abundance

irregular (adjective) /ɪregjʊləʳ/
Definition: Deviating from the standard or usual pattern, form, or arrangement.
Example Sentence: "She noticed that her heartbeat was irregular and decided to visit the doctor."
Synonyms: abnormal; asymmetrical; atypical; erratic; haphazard; nonconforming
Opposite Meaning: regular

juxtaposed (adjective) /ˈdʒʌk stəˌpoʊzd/
Definition: Placing two or more contrasting or distinct elements side by side, creating a deliberate comparison or contrast.
Example Sentence: "The director skillfully juxtaposed scenes of joy and sorrow to evoke a range of emotions in the audience."
Synonyms: clashing; conflicting; contrasting; counterposed; divergent; juxtapositional
Opposite Meaning: merge

kooky (adjective) /ˈku ki/
Definition: Eccentric, unconventional, or quirky in a charming or endearing way.
Example Sentence: "She has a kooky sense of fashion, always mixing patterns and colors in unexpected ways."
Synonyms: eccentric; idiosyncratic; oddball; offbeat; outlandish; peculiar
Opposite Meaning: conventional

lapdog (noun) /ˈlæpˌdɔg/
Definition: An individual or entity that is excessively submissive, obedient, or unquestioningly supportive of another person or organization.
Example Sentence: "She was tired of being treated like a lapdog, always expected to do whatever her boss demanded."
Synonyms: follower; henchman; lackey; minion; pawn; puppet
Opposite Meaning: independent

layman (noun) /ˈleɪ mən/
Definition: An individual who lacks specialized knowledge or professional training in a particular field, especially in the realm of technical, scientific, or professional expertise.
Example Sentence: "The author's ability to explain complex philosophical ideas in layman's terms made the book accessible to a wider audience."
Synonyms: amateur; beginner; civilian; commoner; dabbler; inexpert
Opposite Meaning: expert

marxism (noun) /ˈmɑːksɪzᵊm/
Definition: A socio-political and economic theory developed by Karl Marx and Friedrich Engels.
Example Sentence: "Marxism seeks to establish a classless society based on collective ownership."
Synonyms: class; classless; collectivism; communism; dialectical; doctrine
Opposite Meaning: capitalism

meteoric (adjective) /ˌmiːtɪˈɒrɪk/
Definition: Happening very quickly, often with great success or intensity, like a meteor blazing through the sky.
Example Sentence: "Her meteoric rise to fame took everyone by surprise."
Synonyms: dazzling; expeditious; flashing; fleeting; hasty; instantaneous
Opposite Meaning: slow

mischievous (adjective) /mɪstʃɪvəs/
Definition: Inclined to engage in playful, often harmless, but sometimes mildly troublesome or naughty behavior.
Example Sentence: "Her mischievous grin was a clear sign that she was up to something."
Synonyms: frisky; frolicsome; impish; jocular; naughty; playful
Opposite Meaning: serious

neoliberalism (noun) /ˌni oʊˈlɪb ər əˌlɪz əm/
Definition: A political and economic ideology that advocates for minimal government intervention, free markets, and individual liberty as the driving forces for economic growth and social progress.
Example Sentence: "Neoliberalism promotes privatization of public services."
Synonyms: capitalism; deregulation; globalism; globalization; individualism; laissez-faire
Opposite Meaning: socialism

notional (adjective) /ˈnoʊ ʃə nl/
Definition: Existing only in theory or as a concept, rather than having practical or concrete existence.
Example Sentence: "He had a notional plan in mind, but it required further development and refinement."
Synonyms: abstract; assumed; conceptual; conjectural; hypothetical; ideal
Opposite Meaning: practical

obliviousness (noun) /əˈblɪvɪəsnəs/
Definition: A state of being unaware, inattentive, or lacking knowledge or consciousness about something that is happening or exists.
Example Sentence: "His obliviousness to the warning signs led to a major accident."
Synonyms: blindness; cluelessness; disregard; heedlessness; ignorance; inattention
Opposite Meaning: awareness

omission (noun) /oʊˈmɪʃ ən/
Definition: The act of leaving out or neglecting something, intentionally or unintentionally, that should have been included or mentioned.
Example Sentence: "The report contained several omissions that affected its accuracy."
Synonyms: deficiency; disregard; exclusion; failure; lapse; neglect
Opposite Meaning: inclusion

opening (noun) /ˈoʊ pə nɪŋ/
Definition: A physical aperture or gap that allows passage or access.
Example Sentence: "The opening in the fence allowed the animals to freely roam between the fields."
Synonyms: access; aperture; break; commencement; debut; entrance
Opposite Meaning: closure

orthogonal (adjective) /ɔːˈθɒɡənl/
Definition: The relationship between two lines or vectors that are perpendicular to each other.
Example Sentence: "The design of the building incorporated orthogonal lines for a modern aesthetic."
Synonyms: foursquare; level; perpendicular; plumb; quadrate; quadratic
Opposite Meaning: parallel

passivity (noun) /pæˈsɪv ɪ ti/
Definition: A state or quality of being inactive, unresponsive, or lacking in initiative.
Example Sentence: "The team's passivity on the field resulted in a crushing defeat."
Synonyms: acquiescence; apathy; complacency; idleness; inactivity; indifference
Opposite Meaning: action

peckish (adjective) /ˈpɛk ɪʃ/
Definition: Mildly hungry or having a slight appetite.
Example Sentence: "After skipping breakfast, I was feeling peckish by mid-morning."
Synonyms: appetitive; craving; desirous; empty; famished; hankering
Opposite Meaning: sated

peculiar (adjective) /pɪˈkjuːlɪə/
Definition: Strange, unusual, or distinctive in a way that is set apart from what is considered normal or typical.
Example Sentence: "The car made a peculiar noise whenever he turned the ignition."
Synonyms: abnormal; bizarre; curious; eccentric; funny; odd
Opposite Meaning: common

personify (verb) /pəˈsɒnɪfʌɪ/
Definition: To endow something with human qualities or characteristics.
Example Sentence: "The statue was created to personify the spirit of freedom."
Synonyms: embody; epitomize; exemplify; express; incarnate; mirror
Opposite Meaning: depersonalize

predispose (verb) /ˌpriːdɪˈspəʊz/
Definition: To make someone more likely or inclined to have a particular feeling, condition, or tendency.
Example Sentence: "Genetic factors can predispose some individuals to certain diseases."
Synonyms: activate; affect; bias; impress; induce; influence
Opposite Meaning: dissuade

privy (adjective) /ˈprɪvi/
Definition: Known to or shared with only a select or limited group of individuals, often implying a sense of secrecy, exclusivity, or insider knowledge.
Example Sentence: "The CEO is privy to confidential information about the upcoming merger."
Synonyms: aware; confidential; covert; hidden; informed; obscured
Opposite Meaning: ignorant

profusion (noun) /prəˈfjuːʒn/
Definition: A large quantity of something, typically in a way that is lavish, extravagant or excessive.
Example Sentence: "The garden was a profusion of colors and scents."
Synonyms: abundance; bounty; copiousness; cornucopia; luxuriance; multitude
Opposite Meaning: scarcity

prolong (verb) /prəˈlɒŋ/
Definition: To extend the duration or length of something, typically an event, a process, or a state of being.
Example Sentence: "The mechanic changed the oil regularly to prolong the engine's lifespan."
Synonyms: continue; delay; elongate; extend; increase; lengthen
Opposite Meaning: shorten

prospect (noun) /ˈprɒs pɛkt/
Definition: The likelihood or possibility of something happening or being achieved in the future.
Example Sentence: "The project's success opened up prospects for future collaborations and partnerships."
Synonyms: chance; expectation; forecast; hope; likelihood; opportunity
Opposite Meaning: improbability

recusant (noun) /ˈrɛkjʊz(ə)nt/
Definition: A person who refuses to comply with an authority or to follow established norms or laws.
Example Sentence: "The recusant refused to attend the mandatory religious service."
Synonyms: agitator; anarchist; dissenter; dissident; heretic; iconoclast
Opposite Meaning: conformist

response (noun) /rɪˈspɒns/
Definition: An action, behavior, or answer that is given in reaction to a stimulus, situation, or request.
Example Sentence: "The child's misbehavior was a response to feeling neglected by their parents."
Synonyms: acknowledgment; answer; comeback; feedback; reaction; rejoinder
Opposite Meaning: inaction

salvation (noun) /salˈveɪʃ(ə)n/
Definition: The state of being saved or protected from danger, difficulty, or evil.
Example Sentence: "The company's new drug offered salvation for those struggling with chronic pain."
Synonyms: absolution; conservation; deliverance; emancipation; forgiveness; liberation
Opposite Meaning: damnation

sensational (adjective) /s(ɛ)nˈseɪʃən(ə)l/
Definition: Extremely impressive, exciting, or noteworthy.
Example Sentence: "The scientist's discovery was a sensational breakthrough in the field."
Synonyms: amazing; astounding; breathtaking; exceptional; fabulous; marvelous
Opposite Meaning: mundane

shade (noun) /ʃeɪd/
Definition: An area or condition where direct sunlight is partially or completely blocked, resulting in a reduced intensity of light or a cooler temperature.
Example Sentence: "The awning provided shade and protection from the rain for the outdoor seating area."
Synonyms: canopy; cover; darkness; obscurity; protection; screen
Opposite Meaning: sunlight

sinecure (noun) /ˈsʌɪnɪkjʊə/
Definition: A position within an organization that involves minimal or symbolic duties, often yielding disproportionate payment to the effort required.
Example Sentence: "The well-connected politician secured a lucrative sinecure for himself."
Synonyms: breeze; cakewalk; cushy; doddle; easy; gravy
Opposite Meaning: labor

slapstick (noun) /ˈslapstɪk/
Definition: A form of physical comedy that emphasizes exaggerated, often violent, physical action.
Example Sentence: "The comedic duo was known for their slapstick humor and physical comedy."
Synonyms: absurdity; buffoonery; burlesque; comedy; farce; horseplay
Opposite Meaning: drama

spike (noun) /spaɪk/
Definition: A slender, pointed object or projection that protrudes from a surface or material.
Example Sentence: "The data showed a sudden spike in website traffic after the article went viral."
Synonyms: acicula; apex; barb; jag; peak; pike
Opposite Meaning: blunt

surround (verb) /səˈraʊnd/
Definition: To encircle, encompass, or enclose something or someone from all sides.
Example Sentence: "The majestic mountains surround the picturesque valley."
Synonyms: besiege; border; circumscribe; encase; encircle; enclose
Opposite Meaning: centralize

tabula-rasa (noun) /ˌtabjʊlə ˈrɑːzə/
Definition: The idea that individuals are born without any innate knowledge, skills or dispositions.
Example Sentence: "The concept of tabula rasa is central to the debate on nature vs nurture."
Synonyms: blank; canvas; clean; emptiness; fresh; innocence
Opposite Meaning: preconceived

tardily (adverb) /ˈtɑːdɪli/
Definition: Done in a slow, delayed, or sluggish manner.
Example Sentence: "The restaurant staff served the food tardily, leaving the customers hungry and impatient."
Synonyms: behindhand; belatedly; dilatorily; gradually; hesitantly; laggardly
Opposite Meaning: promptly

tedium (noun) /ˈti di əm/
Definition: The state or feeling of being bored, weary, or fatigued by something that is monotonous, repetitive, or excessively dull.
Example Sentence: "The tedium of data entry made the office job monotonous and tiresome."
Synonyms: boredom; drudgery; dullness; ennui; insipidity; languor
Opposite Meaning: excitement

torpor (noun) /ˈtɔːpə/
Definition: A state of physical or mental inactivity or sluggishness.
Example Sentence: "The monotonous lecture put the students in a state of torpor."
Synonyms: apathy; indolence; inertia; laziness; lethargy; listlessness
Opposite Meaning: vigor

turnstile (noun) /ˈtɜrnˌstaɪl/
Definition: A mechanical gate or barrier consisting of rotating arms or bars that allow the passage of individuals in a controlled manner, typically one person at a time.
Example Sentence: "Before boarding the subway, I swiped my card at the turnstile."
Synonyms: access; barricade; barrier; checkpoint; entrance; entryway
Opposite Meaning: open space

underwrite (verb) /ˌʌndəˈrʌɪt/
Definition: To assume financial responsibility for a particular risk or investment.
Example Sentence: "The bank agreed to underwrite the construction loan for the new building."
Synonyms: bankroll; endorse; finance; fund; guarantee; sanction
Opposite Meaning: disavow

unusual (adjective) /ʌnˈyu ʒu əl/
Definition: Deviating from the norm or what is commonly expected or seen.
Example Sentence: "His unusual fashion sense always made him stand out in a crowd."
Synonyms: atypical; bizarre; distinctive; exceptional; extraordinary; odd
Opposite Meaning: typical

vector (noun) /ˈvɛktə/
Definition: A quantity or physical entity that exhibits both magnitude and direction.
Example Sentence: "The airplane's velocity vector indicated both its speed and direction of travel."
Synonyms: arrow; bearing; course; heading; line; orientation
Opposite Meaning: scalar