Online English Vocabulary Flashcards for TOEFL 10 Words
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Prepare for the TOEFL with this diverse set of 75 words, from “authoritarian” to “unequivocal.” Strengthen your vocabulary for academic achievement!
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abnormal

Includes synonyms, etymology, and a detailed definition.
Part of Speech
adjective
Definition
Deviating from what is considered normal, typical, or expected.
Example Sentence
"The test results revealed abnormal levels of cholesterol in his blood."
Complete Flashcards List for TOEFL 10 with Definitions, POS, IPA, Examples, Synonyms, and Antonyms
abnormal (adjective) /æbˈnɔr məl/
Definition: Deviating from what is considered normal, typical, or expected.
Example Sentence: "The test results revealed abnormal levels of cholesterol in his blood."
Synonyms: aberrant; anomalous; atypical; deviant; extraordinary; irregular
Opposite Meaning: normal
admit (verb) /ædˈmɪt/
Definition: To acknowledge or accept the truth, existence, or validity of something.
Example Sentence: "She had to admit that she was wrong."
Synonyms: accept; acknowledge; affirm; allow; avow; concede
Opposite Meaning: deny
advance (verb) /ædˈvæns/
Definition: To move forward, progress or make progress, often in a purposeful or intentional manner.
Example Sentence: "The technology industry continues to advance at a rapid pace."
Synonyms: develop; elevate; evolve; forge; march; move
Opposite Meaning: retreat
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
amend (verb) /əˈmɛnd/
Definition: To make changes, modifications, or improvements to something, typically a document, law, agreement, or situation.
Example Sentence: "The government announced plans to amend the tax laws to stimulate economic growth."
Synonyms: adapt; adjust; alter; change; correct; edit
Opposite Meaning: worsen
ascend (verb) /əˈsɛnd/
Definition: To move upward or rise to a higher position or level, often in a physical or metaphorical sense.
Example Sentence: "The hiker began to ascend the steep mountain trail."
Synonyms: advance; climb; elevate; escalate; increase; mount
Opposite Meaning: descend
authoritarian (adjective) /ɔːˌθɒrɪˈtɛːrɪən/
Definition: Strict obedience to authority, often at the expense of individual freedom and liberty.
Example Sentence: "The authoritarian government had complete control over the media."
Synonyms: autocratic; controlling; dictatorial; domineering; imperious; rigid
Opposite Meaning: democratic
benign (adjective) /bɪˈnʌɪn/
Definition: Gentle, kind, and harmless in nature, without the intention or capability to cause harm or damage.
Example Sentence: "The benign tumor was removed during the surgery."
Synonyms: curable; harmless; healthy; innocent; innocuous; inoffensive
Opposite Meaning: harmful
buttress (noun) /ˈbʌtrɪs/
Definition: An architectural feature that is used to support and reinforce a building or structure.
Example Sentence: "The crumbling castle desperately needed repairs to its deteriorating buttress."
Synonyms: abutment; backbone; brace; column; mainstay; pillar
Opposite Meaning: weakness
certify (verb) /ˈsəːtɪfʌɪ/
Definition: To confirm or verify that something meets specific requirements, standards, or qualifications.
Example Sentence: "The government will certify the product as safe for consumption."
Synonyms: accredit; affirm; approve; assure; authenticate; endorse
Opposite Meaning: disprove
citadel (noun) /ˈsɪtəd(ə)l/
Definition: A fortress or fortified stronghold, typically located on high ground and designed to protect a city or town from attack.
Example Sentence: "The citadel was the center of power and government for the ancient civilization."
Synonyms: alcazar; bastion; battlement; castle; fort; fortification
Opposite Meaning: open field
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
college (noun) /ˈkɒl ɪdʒ/
Definition: An educational institution that provides higher education and specialized academic programs beyond the high school level.
Example Sentence: "The college campus was filled with students bustling between classes."
Synonyms: academy; alma-mater; campus; conservatory; institute; institution
Opposite Meaning: elementary school
colonialism (noun) /kəˈləʊnɪəlɪz(ə)m/
Definition: The policy or practice of acquiring, maintaining, and expanding control over territories that are politically and economically controlled by a foreign power.
Example Sentence: "The history of Africa is marked by the impacts of colonialism."
Synonyms: annexation; conquest; control; domination; expansionism; exploitation
Opposite Meaning: liberation
committed (adjective) /kəˈmɪt ɪd/
Definition: Dedicated, devoted, or loyal to a cause, belief, or relationship.
Example Sentence: "The parents are committed to providing a loving and nurturing home for their children."
Synonyms: ardent; constant; dedicated; determined; devoted; faithful
Opposite Meaning: indifferent
compendium (noun) /kəmˈpɛndɪəm/
Definition: A comprehensive collection of information or works on a particular subject, typically in the form of a book or a document.
Example Sentence: "The compendium of recipes was a treasure trove of culinary inspiration."
Synonyms: abridgment; almanac; anthology; collection; compilation; digest
Opposite Meaning: detail
complementary (adjective) /ˌkɒm pləˈmɛn tə ri/
Definition: Referring to something that completes, harmonizes with, or enhances another thing.
Example Sentence: "His calm demeanor was complementary to her energetic personality."
Synonyms: balancing; compatible; coordinated; correlated; corresponding; fitting
Opposite Meaning: contrasting
complete (adjective) /kəmˈplit/
Definition: Whole, finished, or lacking nothing.
Example Sentence: "The movie was a complete success, receiving critical acclaim and attracting large audiences."
Synonyms: accomplished; comprehensive; entire; exhaustive; final; finished
Opposite Meaning: incomplete
concise (adjective) /kənˈsʌɪs/
Definition: Expressed in a brief and clear manner, without unnecessary or redundant details.
Example Sentence: "The instructions were concise, making it easy to understand the task."
Synonyms: brief; compact; compendious; compressed; condensed; curt
Opposite Meaning: verbose
conflate (verb) /kənˈfleɪt/
Definition: To mix or merge two or more different things together, often in a way that causes confusion or misunderstanding.
Example Sentence: "It's a common mistake to conflate confidence with arrogance in leadership roles."
Synonyms: amalgamate; combine; confound; confuse; consolidate; fuse
Opposite Meaning: separate
confuse (verb) /kənˈfyuz/
Definition: To cause a state of uncertainty, misunderstanding, or disorientation in someone or something.
Example Sentence: "The teacher's explanation only served to confuse the students further."
Synonyms: baffle; befuddle; bewilder; complicate; confound; disorient
Opposite Meaning: clarify
continuity (noun) /ˌkɑntəˈnuəti/
Definition: The unbroken and consistent existence or operation of something over a period of time.
Example Sentence: "The artist's paintings showed a sense of continuity in style and theme."
Synonyms: coherence; consistency; constancy; duration; endurance; flow
Opposite Meaning: interruption
credible (adjective) /ˈkrɛdəbəl/
Definition: Trustworthy, believable, or deserving of confidence and acceptance.
Example Sentence: "The credible performance of the actor made the audience believe in his character."
Synonyms: believable; compelling; conceivable; conclusive; convincing; plausible
Opposite Meaning: dubious
decrease (verb) /dɪˈkris/
Definition: To reduce or diminish the quantity, size, intensity, or extent of something.
Example Sentence: "The company decided to decrease the prices to attract more customers."
Synonyms: abate; attenuate; contract; curtail; cut; diminish
Opposite Meaning: increase
demarcate (verb) /ˈdiːmɑːkeɪt/
Definition: To establish clear and distinct boundaries or limits, often through the use of physical markers, rules, or guidelines.
Example Sentence: "The fence will demarcate the property line between the two houses."
Synonyms: circumscribe; delimit; determine; differentiate; distinguish; divide
Opposite Meaning: confuse
diametrical (adjective) /ˌdaɪəˈmɛtrɪkəl/
Definition: Complete or extreme opposition or contrast between two things.
Example Sentence: "Their political views were diametrically opposed, leading to constant clashes."
Synonyms: antithetical; conflicting; contradictory; contrary; contrasting; different
Opposite Meaning: similar
discover (verb) /dɪˈskʌv ər/
Definition: To find, identify, or become aware of something for the first time.
Example Sentence: "The scientists were thrilled to discover a new species of plant in the rainforest."
Synonyms: ascertain; detect; encounter; explore; expose; find
Opposite Meaning: overlook
dismiss (verb) /dɪsˈmɪs/
Definition: To reject an idea, argument, or proposal as irrelevant, unimportant, or lacking merit.
Example Sentence: "The judge threatened to dismiss the case if there was insufficient evidence."
Synonyms: discard; discharge; disregard; eradicate; pooh-pooh; reject
Opposite Meaning: accept
dissent (noun) /dɪˈsɛnt/
Definition: The act of disagreeing or holding a different opinion from the majority or from those in positions of authority.
Example Sentence: "The protest was fueled by public dissent against the government's policies."
Synonyms: conflict; contention; discord; dispute; objection; opposition
Opposite Meaning: agreement
efficient (adjective) /ɪˈfɪʃ ənt/
Definition: Achieving maximum productivity or effectiveness with minimal wasted effort, resources, or time.
Example Sentence: "The efficient design of the building maximized natural light and minimized energy consumption."
Synonyms: capable; competent; economical; effective; optimized; organized
Opposite Meaning: inefficient
exception (noun) /ɪkˈsɛp ʃən/
Definition: A specific instance or case that deviates from the norm or general rule.
Example Sentence: "The judge granted an exception to the witness, allowing them to testify via video conference."
Synonyms: aberration; anomaly; departure; deviation; dispensation; divergence
Opposite Meaning: norm
excessive (adjective) /ɪkˈsɛs ɪv/
Definition: Going beyond what is considered normal, reasonable, or appropriate.
Example Sentence: "He faced excessive criticism for a minor mistake."
Synonyms: disproportionate; exorbitant; extravagant; extreme; immoderate; lavish
Opposite Meaning: moderate
expression (noun) /ɪkˈsprɛʃ ən/
Definition: The act or process of conveying thoughts, emotions, or ideas through words, gestures, facial expressions, or other means of communication.
Example Sentence: "The poignant expression in his eyes conveyed his unspoken words."
Synonyms: articulation; communication; conveyance; demonstration; depiction; display
Opposite Meaning: concealment
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
guidance (noun) /ˈgaɪd ns/
Definition: The act or process of providing direction, advice, or assistance to someone in order to help them make informed decisions, navigate challenges, or achieve specific goals.
Example Sentence: "She relied on her parents' guidance when making important life decisions."
Synonyms: advice; assistance; coaching; counsel; counseling; direction
Opposite Meaning: neglect
ideology (noun) /ˌaɪ diˈɒl ə dʒi/
Definition: A comprehensive set of ideas, beliefs, or principles that form the basis of a particular political, social, or economic system.
Example Sentence: "The ideology of capitalism promotes free markets and private ownership of resources."
Synonyms: belief; creed; doctrine; dogma; mindset; perspective
Opposite Meaning: apathy
inclination (noun) /ˌɪnklɪˈneɪʃn/
Definition: A tendency or disposition towards a particular action, idea, or feeling.
Example Sentence: "He had an inclination towards teaching and became a professor."
Synonyms: bias; leaning; partiality; penchant; predilection; predisposition
Opposite Meaning: aversion
independent (adjective) /ˌɪn dɪˈpɛn dənt/
Definition: Not influenced, controlled, or reliant on others.
Example Sentence: "The independent film gained critical acclaim for its unique storytelling and unconventional approach."
Synonyms: autonomous; free; freestanding; individual; individualistic; separate
Opposite Meaning: dependent
indeterminate (adjective) /ˌɪndɪˈtəːmɪnət/
Definition: Uncertain, not fixed, or not capable of being determined.
Example Sentence: "The length of the project was indeterminate, with no clear end in sight."
Synonyms: imprecise; inconclusive; indefinite; undefined; undetermined; unspecified
Opposite Meaning: definite
initially (adverb) /ɪˈnɪʃ ə li/
Definition: Referring to the starting point or the earliest stage of a process, event, or situation.
Example Sentence: "She was initially hesitant to join the club, but eventually became an active member."
Synonyms: beginning; first; firstly; foremost; formerly; originally
Opposite Meaning: finally
interrupt (verb) /ˌɪn təˈrʌpt/
Definition: To cause a temporary disruption or cessation of an ongoing activity, process, or conversation.
Example Sentence: "The student raised his hand to interrupt the lecture with a relevant point."
Synonyms: break; discontinue; disrupt; disturb; halt; hinder
Opposite Meaning: continue
inventory (noun) /ˈɪnv(ə)nt(ə)ri/
Definition: A list or a record of items or goods that are in stock, including details such as quantity, condition, and location.
Example Sentence: "The inventory of tools in the shed was organized by category."
Synonyms: account; catalogue; directory; index; listing; log
Opposite Meaning: disarray
latency (noun) /ˈleɪt n si/
Definition: The measure of delay or the amount of time it takes for a specific action, process, or response to occur.
Example Sentence: "The financial trader relied on a low-latency trading platform for quick and accurate transactions."
Synonyms: deferment; delay; gap; hindrance; holdup; interval
Opposite Meaning: immediacy
levee (noun) /ˈlɛv i/
Definition: A raised embankment or a man-made structure built alongside a river, lake, or other bodies of water.
Example Sentence: "The town built a levee along the riverbank to protect against seasonal floods."
Synonyms: bank; barrier; berm; dam; dike; dyke
Opposite Meaning: breach
link (noun) /lɪŋk/
Definition: A connection, relationship, or association between two or more things.
Example Sentence: "The project manager acted as the link between the client and the development team."
Synonyms: association; attachment; bond; connection; correlation; coupling
Opposite Meaning: separation
marshal (verb) /ˈmɑːʃl/
Definition: To arrange or organize something in a systematic and purposeful way.
Example Sentence: "The lawyer had to marshal his evidence to present a strong case"
Synonyms: align; assemble; collect; gather; group; mobilize
Opposite Meaning: disorganize
metaphor (noun) /ˈmɛtəfə/
Definition: A figure of speech in which a word or phrase is applied to an object or action to which it is not literally applicable.
Example Sentence: "The metaphor 'a storm is brewing' is used to suggest an impending conflict or trouble."
Synonyms: allegory; allusion; analogy; comparison; emblem; image
Opposite Meaning: literalism
mutation (noun) /mjuːˈteɪʃn/
Definition: A change in the genetic material of an organism that alters its characteristics in some way.
Example Sentence: "The mutation in the bacteria made it resistant to antibiotics."
Synonyms: aberration; alteration; anomaly; change; deviation; evolution
Opposite Meaning: constancy
nativity (noun) /nəˈtɪv ɪ ti/
Definition: The birth or the circumstances surrounding the birth of a person, particularly in reference to the birth of Jesus Christ.
Example Sentence: "The nativity scene in the church beautifully depicted the birth of Jesus."
Synonyms: arrival; birth; childbirth; commencement; creation; emergence
Opposite Meaning: death
orchestrate (verb) /ˈɔːkɪstreɪt/
Definition: To plan, organize, and direct the elements of a complex activity or event, in order to achieve a desired outcome or effect.
Example Sentence: "The hacker tried to orchestrate a cyber attack on the company's website."
Synonyms: arrange; choreograph; coordinate; craft; devise; engineer
Opposite Meaning: disrupt
oversight (noun) /ˈəʊvəsʌɪt/
Definition: The unintentional failure to notice or do something, typically due to a lack of attention or care.
Example Sentence: "His failure to check the details was an oversight that caused a costly mistake."
Synonyms: blunder; carelessness; erratum; error; fault; gaffe
Opposite Meaning: attention
parlance (noun) /ˈpɑːl(ə)ns/
Definition: A particular way of speaking or using language within a certain group or culture.
Example Sentence: "He struggled to understand the parlance of the legal profession."
Synonyms: argot; dialect; jargon; language; lingo; patois
Opposite Meaning: silence
pendulum (noun) /ˈpɛndjʊləm/
Definition: A weight that is suspended from a fixed point so that it can swing freely back and forth under the influence of gravity.
Example Sentence: "The grandfather clock's pendulum ticked rhythmically."
Synonyms: balance; metronome; oscillator; regulator; swinger; ticker
Opposite Meaning: fixed
peruse (verb) /pəˈruːz/
Definition: To read or examine something carefully and thoroughly, often with the intent of gaining a deep understanding of its content.
Example Sentence: "I like to peruse the newspaper while drinking my morning coffee."
Synonyms: analyze; browse; check; examine; glance; inspect
Opposite Meaning: skim
philosophy (noun) /fɪˈlɒs ə fi/
Definition: The study of fundamental questions about existence, knowledge, values, reason, and the nature of reality.
Example Sentence: "Philosophy encourages us to engage in reasoned discourse and open-minded inquiry."
Synonyms: doctrine; epistemology; ethics; ideology; logic; metaphysics
Opposite Meaning: ignorance
pitfall (noun) /ˈpɪtfɔːl/
Definition: A hidden or unsuspected danger or difficulty that may cause problems or setbacks.
Example Sentence: "Miscommunication can be a major pitfall in any relationship."
Synonyms: downside; drawback; flaw; hazard; hitch; obstacle
Opposite Meaning: safety
postpone (verb) /poʊstˈpoʊn/
Definition: To delay or reschedule an event, activity, or task to a later time or date.
Example Sentence: "He decided to postpone his vacation until he finished his project."
Synonyms: adjourn; defer; delay; prolong; protract; reprieve
Opposite Meaning: advance
postulate (verb) /ˈpɒstjʊleɪt/
Definition: To suggest or propose something as a basis for reasoning or further discussion.
Example Sentence: "Doctors often postulate potential diagnoses before receiving all the test results."
Synonyms: conjecture; hypothesize; posit; predicate; presuppose; speculate
Opposite Meaning: disprove
pragmatic (adjective) /praɡˈmatɪk/
Definition: Having a sensible and practical approach to things, as opposed to being too theoretical or idealistic.
Example Sentence: "He's a pragmatic leader who isn't afraid of getting his hands dirty."
Synonyms: businesslike; commonsensical; effective; efficient; expedient; logical
Opposite Meaning: impractical
quadrangle (noun) /ˈkwɒdˌræŋ gəl/
Definition: A four-sided enclosed space or courtyard, typically surrounded by buildings or walls.
Example Sentence: "The quadrangle at the center of the university campus was bustling with activity."
Synonyms: atrium; campus; cloister; court; courtyard; enclosure
Opposite Meaning: enclosure
quasi (adjective) /ˈkweɪsʌɪ/
Definition: Bearing a resemblance or similarity to a particular quality or characteristic but is not entirely or genuinely that thing.
Example Sentence: "He ran his illicit dealings like a quasi corporation to appear legitimate."
Synonyms: apparent; fake; mock; nominal; pretended; pseudo
Opposite Meaning: entirely
random (adjective) /ˈræn dəm/
Definition: Occurring or is chosen without any discernible pattern, predictability, or specific order.
Example Sentence: "The artist created a random pattern of colors on the canvas."
Synonyms: accidental; arbitrary; chance; erratic; fortuitous; haphazard
Opposite Meaning: deliberate
regenerate (verb) /rɪˈdʒɛnəreɪt/
Definition: To bring new and more vigorous life to something, or restore something to its original condition.
Example Sentence: "The natural cycle of the environment helps to regenerate the earth's resources."
Synonyms: recreate; redevelop; reinvigorate; rejuvenate; renew; renovate
Opposite Meaning: degrade
repel (verb) /rɪˈpɛl/
Definition: To drive away or force to retreat, often through the use of force or a repelling agent.
Example Sentence: "Some plants have a natural ability to repel insects and other pests."
Synonyms: deter; discourage; drive; parry; rebuff; rebut
Opposite Meaning: attract
representative (noun) /ˌrɛp rɪˈzɛn tə tɪv/
Definition: An individual who acts on behalf of a group, organization, or constituency to voice their interests, opinions, and concerns.
Example Sentence: "The elected representative addressed the concerns of his constituents during a town hall meeting."
Synonyms: advocate; agent; ambassador; delegate; deputy; emissary
Opposite Meaning: opponent
signifying (noun) /ˈsɪg nəˌfaɪ ɪŋ/
Definition: The act of conveying or indicating a message, often through the use of signs, symbols, gestures, or words, with the purpose of conveying a particular meaning or generating understanding.
Example Sentence: "The raised eyebrow was a signifying gesture that conveyed disbelief without uttering a word."
Synonyms: conveying; denoting; embodying; exemplifying; expressing; illustrating
Opposite Meaning: miscommunicating
specialist (noun) /ˈspɛʃ ə lɪst/
Definition: An individual who has expert knowledge, skills, or training in a particular field or area of expertise.
Example Sentence: "The patient was referred to a cardiac specialist for further evaluation of their heart condition."
Synonyms: adept; authority; connoisseur; consultant; expert; guru
Opposite Meaning: generalist
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
termination (noun) /ˌtɜr məˈneɪ ʃən/
Definition: The act of ending or concluding something, often used to describe the formal or final cessation of a process, relationship, or agreement.
Example Sentence: "The project faced sudden termination due to a lack of funds."
Synonyms: cessation; closure; conclusion; culmination; discontinuation; end
Opposite Meaning: initiation
terrace (noun) /ˈtɛr əs/
Definition: A raised, flat platform or open area that is typically attached to a building or located on the ground level of a structure.
Example Sentence: "The hotel's rooftop terrace offered breathtaking views of the city skyline."
Synonyms: balcony; courtyard; deck; lanai; patio; piazza
Opposite Meaning: valley
touchstone (noun) /ˈtʌtʃˌstoʊn/
Definition: A standard, criterion, or reference point used to evaluate or judge the quality, authenticity, or truthfulness of something.
Example Sentence: "The scientific method serves as a touchstone for validating experimental results."
Synonyms: benchmark; criterion; gauge; indicator; measure; model
Opposite Meaning: anomaly
tutelage (noun) /ˈtut l ɪdʒ/
Definition: The act or process of being under the guidance, instruction, or protection of someone more experienced or knowledgeable.
Example Sentence: "The student flourished under the tutelage of her dedicated teacher."
Synonyms: apprenticeship; coaching; education; guardianship; guidance; instruction
Opposite Meaning: neglect
unequivocal (adjective) /ˌʌnɪˈkwɪvəkl/
Definition: Absolute, unambiguous, and beyond any doubt or misunderstanding.
Example Sentence: "The results of the study were unequivocal in their conclusions."
Synonyms: absolute; certain; decisive; direct; explicit; incontrovertible
Opposite Meaning: ambiguous
versed (adjective) /vɜrst/
Definition: Knowledgeable, experienced, or skilled in a particular field or subject.
Example Sentence: "She is well versed in classical literature and can discuss various authors and their works."
Synonyms: adept; competent; experienced; expert; informed; knowledgeable
Opposite Meaning: ignorant
violate (verb) /ˈvʌɪəleɪt/
Definition: To break or act against a rule, a law, an agreement or a moral standard.
Example Sentence: "The government's decision to censor the media would violate the freedom of the press."
Synonyms: breach; break; contravene; defy; disobey; disregard
Opposite Meaning: comply
