Online English Vocabulary Flashcards for Prefix com- Words

comatose (adjective) /ˈkoʊməˌtoʊs/
Definition: Relating to a state of deep unconsciousness where a person is unresponsive to external stimuli and unable to awaken.
Example Sentence: "He was rushed to the hospital in a comatose state."
Synonyms: catatonic; dazed; immobilized; inanimate; inert; insensible
Opposite Meaning: alert

combat (verb) /kəmˈbæt/
Definition: To actively engage in a fight or conflict, typically with the aim of overcoming or defeating an adversary or a challenging situation.
Example Sentence: "The student sought professional help to combat anxiety and improve mental well-being."
Synonyms: battle; challenge; confront; counter; fight; oppose
Opposite Meaning: avoid

combatants (noun) /ˈkɒmbət(ə)nt/
Definition: Individuals or groups who are actively engaged in warfare or armed conflict.
Example Sentence: "The combatants were subject to strict rules of engagement."
Synonyms: antagonist; belligerent; contender; fighter; gladiator; soldier
Opposite Meaning: civilians

combative (adjective) /kəmˈbatɪv/
Definition: Aggressive, argumentative, or confrontational in behavior or attitude.
Example Sentence: "The minister was in a combative mood after sensing a political victory."
Synonyms: aggressive; argumentative; bellicose; belligerent; confrontational; contentious
Opposite Meaning: peaceful

combination (noun) /ˌkɒm bəˈneɪ ʃən/
Definition: The act or result of joining or bringing together multiple elements, factors, or entities to create a unified whole.
Example Sentence: "The recipe called for a unique combination of spices."
Synonyms: amalgam; amalgamation; blend; compound; concoction; fusion
Opposite Meaning: separation

combine (verb) /kəmˈbaɪn/
Definition: To merge or unite multiple elements, entities, or factors to form a unified whole.
Example Sentence: "The team members decided to combine their strengths to complete the project faster."
Synonyms: amalgamate; blend; coalesce; consolidate; converge; fuse
Opposite Meaning: separate

combust (verb) /kəmˈbʌst/
Definition: To ignite or burn something, typically as a result of a chemical reaction between a fuel and oxygen, accompanied by the release of heat and often light.
Example Sentence: "The matchstick will combust when struck against the rough surface."
Synonyms: blaze; char; fire; flame; flicker; glow
Opposite Meaning: extinguish

combustion (noun) /kəmˈbʌs tʃən/
Definition: A chemical process characterized by the rapid release of energy in the form of heat and light resulting from the reaction between a fuel and an oxidizing agent, typically oxygen.
Example Sentence: "The engine relies on combustion to generate power and propel the vehicle."
Synonyms: burning; conflagration; enflaming; fire; flame; flaring
Opposite Meaning: extinguishment

comeuppance (noun) /kʌmˈʌp(ə)ns/
Definition: The deserved consequences or punishment that someone receives for their actions, especially when those actions are considered wrong or immoral.
Example Sentence: "The thief got his comeuppance when he was caught and sent to jail."
Synonyms: deserts; dues; penalty; recompense; reprisal; requital
Opposite Meaning: reward

comforting (adjective) /ˈkʌm fər tɪŋ/
Definition: Providing a sense of ease, solace, or reassurance.
Example Sentence: "The soothing music played in the background, creating a comforting ambiance."
Synonyms: alleviating; calming; consoling; easing; mollifying; pacifying
Opposite Meaning: distressing

command (verb) /kəˈmænd/
Definition: To direct, order, or instruct someone to do something.
Example Sentence: "If you command with respect, people will follow."
Synonyms: captain; control; dictate; direct; govern; guide
Opposite Meaning: follow

commandeer (verb) /ˌkɒmənˈdɪə/
Definition: To take possession or control of something, usually by force or authority.
Example Sentence: "The captain ordered his crew to commandeer the enemy's vessel."
Synonyms: annex; appropriate; arrogate; assume; confiscate; expropriate
Opposite Meaning: relinquish

commemorate (verb) /kəˈmɛm əˌreɪt/
Definition: O honor, remember, or celebrate an important event, person, or occasion.
Example Sentence: "The memorial serves to commemorate the victims of a tragic natural disaster."
Synonyms: celebrate; honor; laud; mark; memorial; memorialize
Opposite Meaning: forget

commend (verb) /kəˈmɛnd/
Definition: To express approval, admiration, or praise for someone or something.
Example Sentence: "I commend you for your outstanding performance in the competition."
Synonyms: acclaim; admire; applaud; celebrate; compliment; endorse
Opposite Meaning: criticize

commendation (noun) /ˌkɒm(ə)nˈdeɪʃn/
Definition: An expression of praise, approval, or admiration for someone or something.
Example Sentence: "He was proud to receive a commendation for his service in the military."
Synonyms: acclamation; accolade; acknowledgment; approbation; approval; award
Opposite Meaning: censure

commensurate (adjective) /kəˈmɛnʃ(ə)rət/
Definition: Proportionate or equivalent in size, amount, or degree to something else.
Example Sentence: "The punishment was commensurate with the severity of the crime."
Synonyms: balanced; commensurable; comparable; compatible; consistent; correlative
Opposite Meaning: disproportionate

commercial (adjective) /kəˈmɜr ʃəl/
Definition: Pertaining to commerce, trade, or business activities conducted for financial gain.
Example Sentence: "The television network aired a commercial break during the popular TV show."
Synonyms: business; corporate; economic; financial; industrial; market
Opposite Meaning: non-commercial

commiserate (verb) /kəˈmɪzəreɪt/
Definition: To express or feel sympathy and sorrow for someone who is in a difficult or unfortunate situation.
Example Sentence: "The team gathered to commiserate after their tough loss."
Synonyms: alleviate; comfort; condole; console; empathize; pity
Opposite Meaning: disregard

commiseration (noun) /kəˌmɪzəˈreɪʃn/
Definition: An expression of sympathy or compassion towards someone who is experiencing distress or suffering.
Example Sentence: "The politician expressed his commiseration to the families of the flood victims."
Synonyms: condolence; consolation; empathy; humanity; kindness; magnanimity
Opposite Meaning: indifference

commission (verb) /kəˈmɪʃ ən/
Definition: To formally assign, authorize, or entrust someone, typically an individual or a group, with a specific task, responsibility, or project.
Example Sentence: "The city council will commission a study to evaluate the impact of traffic congestion."
Synonyms: appoint; assign; authorize; command; contract; delegate
Opposite Meaning: cancel

commit (verb) /kəˈmɪt/
Definition: To dedicate or pledg oneself to a particular course of action, decision, or belief.
Example Sentence: "She struggled to commit to a long-distance relationship."
Synonyms: apply; dedicate; deposit; enact; engage; entrust
Opposite Meaning: abandon

commitment (noun) /kəˈmɪtm(ə)nt/
Definition: The state of being dedicated or pledged to something, such as a cause, an idea, a person or a goal.
Example Sentence: "The athlete's commitment to training paid off in the competition."
Synonyms: adherence; assurance; devotion; duty; faithfulness; loyalty
Opposite Meaning: apathy

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

common (adjective) /ˈkɒm ən/
Definition: Widespread, ordinary, or frequently encountered.
Example Sentence: "The common cold is a frequent ailment during the winter season."
Synonyms: average; conventional; customary; everyday; familiar; ordinary
Opposite Meaning: rare

commorancy (noun) /ˈkɒm ər ən si/
Definition: A somewhat archaic term that refers to a place of permanent residence or dwelling.
Example Sentence: "The old cottage by the river served as their beloved commorancy for generations."
Synonyms: abode; apartment; domicile; habitation; home; house
Opposite Meaning: homelessness

commotion (noun) /kəˈmoʊ ʃən/
Definition: A state of chaotic or noisy disturbance, often characterized by a tumultuous uproar or flurry of activity.
Example Sentence: "The loud commotion from the street disrupted our peaceful evening."
Synonyms: ado; chaos; clamor; disturbance; flurry; fuss
Opposite Meaning: peace

communicative (adjective) /kəˈmyu nɪˌkeɪ tɪv/
Definition: Inclined or skilled in the act of communication.
Example Sentence: "The teacher encourages a communicative classroom environment where students actively participate."
Synonyms: articulate; chatty; eloquent; expressive; forthcoming; gregarious
Opposite Meaning: reserved

communism (noun) /ˈkɒmjənɪzᵊm/
Definition: A socioeconomic and political ideology aimed at creating a classless society where the means of production are collectively owned and controlled by the community as a whole.
Example Sentence: "The goal of communism is to eliminate social and economic inequality."
Synonyms: Bolshevism; collectivism; commonwealth; egalitarianism; leftism; Marxism
Opposite Meaning: capitalism

commute (noun) /kəˈmjuːt/
Definition: The act of regularly traveling back and forth between one's place of residence and one's place of work or study.
Example Sentence: "He had a long commute to work every day, taking over an hour by train."
Synonyms: cycle; drive; journey; navigate; ride; shuttle
Opposite Meaning: stay

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

companion (noun) /kəmˈpæn yən/
Definition: A person or an animal with whom one spends time and shares experiences, often providing friendship, support, and companionship.
Example Sentence: "She considers her sister to be her closest companion and confidante."
Synonyms: ally; associate; buddy; chum; cohort; comrade
Opposite Meaning: stranger

comparable (adjective) /ˈkɒm pər ə bəl/
Definition: Likened or compared to another thing, typically due to possessing similar qualities, characteristics, or standards of measurement.
Example Sentence: "The company's growth rate is comparable to that of its competitors in the market."
Synonyms: akin; analogous; commensurate; correspondent; corresponding; equivalent
Opposite Meaning: different

compassion (noun) /kəmˈpæʃ ən/
Definition: A deep feeling of empathy, sympathy, and concern for the suffering, pain, or misfortune of others.
Example Sentence: "Her compassion for the homeless inspired her to volunteer at a local shelter."
Synonyms: benevolence; care; charity; concern; empathy; goodwill
Opposite Meaning: indifference

compassionate (adjective) /kəmˈpæʃ ə nɪt/
Definition: Demonstrating a deep sense of empathy, sympathy, and concern for the well-being and suffering of others.
Example Sentence: "The compassionate nurse provided gentle care and comfort to her patients."
Synonyms: benevolent; caring; charitable; considerate; empathetic; gentle
Opposite Meaning: indifferent

compatible (adjective) /kəmˈpæt ə bəl/
Definition: Having the ability of two or more things to exist or function together harmoniously, without conflict or contradiction.
Example Sentence: "These two artists have a compatible artistic vision, which is why they often collaborate on projects."
Synonyms: adaptable; agreeable; aligned; amicable; coherent; complementary
Opposite Meaning: incompatible

compatriot (noun) /kəmˈpætriət/
Definition: A person who is a fellow citizen or inhabitant of the same country or nation.
Example Sentence: "The athlete was proud to compete alongside his compatriot at the international event."
Synonyms: ally; associate; cohort; colleague; comrade; confederate
Opposite Meaning: foreigner

compel (verb) /kəmˈpɛl/
Definition: To force or obligate someone to do something, often through the use of pressure, authority, or persuasion.
Example Sentence: "The thought of losing his job may compel him to work harder."
Synonyms: bulldoze; coerce; demand; dragoon; enforce; exact
Opposite Meaning: dissuade

compelling (adjective) /kəmˈpɛl ɪŋ/
Definition: Having a powerful and irresistible effect, often capturing one's attention or interest in an intense way.
Example Sentence: "The novel had a compelling storyline that kept me hooked until the very end."
Synonyms: alluring; captivating; convincing; engaging; enthralling; gripping
Opposite Meaning: unconvincing

compendious (adjective) /kəmˈpɛndɪəs/
Definition: Comprehensive and concise, providing a lot of information in a small space.
Example Sentence: "He wrote a compendious guide to the city's best restaurants."
Synonyms: abridged; brief; compact; concise; condensed; economical
Opposite Meaning: verbose

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

compensate (verb) /ˈkɑmpənˌseɪt/
Definition: To make up for or to provide a substitute for something that is missing, lacking or insufficient.
Example Sentence: "The company will compensate its employees for their overtime work."
Synonyms: balance; indemnify; recompense; redress; refund; reimburse
Opposite Meaning: disregard

compensation (noun) /ˌkɒm pənˈseɪ ʃən/
Definition: Something, typically money, goods, or services, as a form of recompense, payment, or restitution for a loss, injury, or work performed.
Example Sentence: "The accident victim filed a lawsuit seeking compensation for their injuries."
Synonyms: indemnity; payment; recompense; redress; reimbursement; remuneration
Opposite Meaning: penalty

competent (adjective) /ˈkɒmpɪt(ə)nt/
Definition: Possessing the necessary skills, knowledge, and abilities to effectively perform a task, fulfill a role, or handle a particular situation.
Example Sentence: "The competent doctor quickly identified the symptoms of the patient."
Synonyms: able; adept; capable; decent; effective; efficient
Opposite Meaning: inept

competitor (noun) /kəmˈpɛt ɪ tər/
Definition: An individual, entity, or organization that is engaged in a competition or rivalry with others within a particular market, industry, sport, or activity.
Example Sentence: "The tech company invested heavily in research and development to stay ahead of its competitors."
Synonyms: adversary; antagonist; challenger; combatant; competition; contender
Opposite Meaning: ally

compilation (noun) /ˌkɒm pəˈleɪ ʃən/
Definition: The act or process of gathering, collecting, and assembling various pieces of information, data, works, or materials into a single, comprehensive form or entity.
Example Sentence: "The album is a compilation of the artist's greatest hits."
Synonyms: accumulation; aggregation; anthology; assemblage; assortment; collection
Opposite Meaning: dispersion

compile (verb) /kəmˈpaɪl/
Definition: To collect, gather, and assemble information or data from various sources in order to create a single document, list, or other organized resource.
Example Sentence: "The editor will compile articles and images to create the magazine layout."
Synonyms: accumulate; amass; anthologize; arrange; collate; compose
Opposite Meaning: scatter

complacent (adjective) /kəmˈpleɪs(ə)nt/
Definition: Over-confident or satisfied with how things are and not feeling the need to try to improve or make changes.
Example Sentence: "He was in danger of becoming complacent after a string of easy victories."
Synonyms: careless; casual; conceited; content; contented; detached
Opposite Meaning: dissatisfied

complaisant (adjective) /kəmˈpleɪ sənt/
Definition: Inclined to please others and accommodate their needs or desires.
Example Sentence: "He was a complaisant host who made sure his guests were comfortable."
Synonyms: agreeable; amenable; cooperative; helpful; obliging; pliant
Opposite Meaning: unaccommodating

complement (noun) /ˈkɒm plə mənt/
Definition: Something that completes, enhances, or harmonizes with another to create a whole or bring about a sense of balance or perfection.
Example Sentence: "The fresh basil and tomatoes are the perfect complements to this pasta dish."
Synonyms: accessory; accompaniment; addition; augmentation; balance; counterpart
Opposite Meaning: mismatch

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

complex (adjective) /kəmˈplɛks/
Definition: Intricate, consisting of multiple interconnected parts, or involving intricate details that may be difficult to understand or explain.
Example Sentence: "The scientific experiment required complex calculations and precise measurements."
Synonyms: convoluted; elaborate; intricate; involved; knotty; labyrinthine
Opposite Meaning: simple

compliant (adjective) /kəmˈplʌɪənt/
Definition: Willingness to follow rules, regulations, or requests without resistance or objection.
Example Sentence: "The product was fully compliant with the safety standards."
Synonyms: accepting; acquiescent; agreeable; conformist; obedient; obliging
Opposite Meaning: defiant

complicated (adjective) /ˈkɒm plɪˌkeɪ tɪd/
Definition: Intricate, convoluted, or difficult to understand, explain, or resolve.
Example Sentence: "The intricate dance routine involved complicated footwork and precise timing."
Synonyms: challenging; complex; convoluted; difficult; elaborate; intricate
Opposite Meaning: simple

complicit (adjective) /kəmˈplɪsɪt/
Definition: Involved in or associated with an illegal, unethical, or immoral action or situation.
Example Sentence: "The media was complicit in spreading false information."
Synonyms: accessory; aiding; associated; collaborating; colluding; connected
Opposite Meaning: innocent

compliment (noun) /ˈkɒm plə mənt/
Definition: A polite expression of praise, admiration, or approval towards someone or something.
Example Sentence: "The sincere compliment about her cooking skills motivated her to explore culinary endeavors further."
Synonyms: acclamation; accolade; admiration; applause; approbation; commendation
Opposite Meaning: insult

complimentary (adjective) /ˌkɒm pləˈmɛn tə ri/
Definition: Given or provided without charge or as a gesture of goodwill.
Example Sentence: "The restaurant greeted us with a complimentary glass of champagne."
Synonyms: adulatory; appreciative; commendatory; costless; courtesy; flattering
Opposite Meaning: costly

comply (verb) /kəmˈplʌɪ/
Definition: To follow or adhere to a request, rule, or law.
Example Sentence: "He had to comply with the terms of his probation."
Synonyms: accede; accept; acquiesce; agree; assent; concur
Opposite Meaning: defy

component (noun) /kəmˈpoʊ nənt/
Definition: A distinct part or element that forms a larger whole.
Example Sentence: "Communication is a key component of a healthy relationship."
Synonyms: aspect; constituent; element; factor; feature; fragment
Opposite Meaning: whole

comport (verb) /kəmˈpɔːt/
Definition: To behave or conduct oneself in a particular manner, often in accordance with established norms or standards of behavior.
Example Sentence: "I expect you to comport yourself with dignity."
Synonyms: accord; acquit; act; adhere; agree; bear
Opposite Meaning: misbehave

comportment (noun) /kəmˈpɔrt mənt/
Definition: A person's behavior, demeanor, or manner of conducting oneself, particularly in terms of how one presents themselves and interacts with others.
Example Sentence: "His confident comportment made him stand out in social gatherings."
Synonyms: attitude; bearing; behavior; carriage; conduct; demeanor
Opposite Meaning: disorderliness

composed (adjective) /kəmˈpoʊzd/
Definition: Calm, collected, and self-possessed, especially in stressful or challenging situations.
Example Sentence: "Despite the intense pressure, the surgeon remained composed during the complex operation."
Synonyms: calm; collected; confident; cool; poised; serene
Opposite Meaning: agitated

composite (adjective) /ˈkɒmpəzɪt/
Definition: Made up of multiple parts or elements that have been combined together.
Example Sentence: "The composite material used in the construction was lightweight and durable."
Synonyms: amalgam; blend; compound; fusion; intermixed; intertwined
Opposite Meaning: separate

composition (noun) /ˌkɒm pəˈzɪʃ ən/
Definition: The act or process of creating or forming something by combining various elements, components, or parts.
Example Sentence: "The musician's latest composition showcased a blend of classical and modern influences."
Synonyms: arrangement; artwork; creation; design; formation; manuscript
Opposite Meaning: destruction

composure (noun) /kəmˈpəʊʒə/
Definition: A state of calmness, self-possession, and emotional stability, even in challenging or stressful situations.
Example Sentence: "The pilot kept his composure during the emergency landing."
Synonyms: calm; collectedness; cool; dignity; ease; equanimity
Opposite Meaning: agitation

compos-mentis (adjective) /ˌkɒmpɒs ˈmɛntɪs/
Definition: Mentally sound and capable of making rational decisions.
Example Sentence: "He was declared compos mentis and fit to stand trial."
Synonyms: balanced; coherent; healthy; levelheaded; lucid; normal
Opposite Meaning: irrational

compound (adjective) /ˈkɒm paʊnd/
Definition: Composed or made up of two or more separate elements or parts.
Example Sentence: "The compound fracture required immediate medical attention."
Synonyms: amalgamated; blended; complex; composite; entwined; fused
Opposite Meaning: simple

comprehend (verb) /kɒmprɪˈhɛnd/
Definition: To understand, grasp, or fully apprehend the meaning or significance of something.
Example Sentence: "I find it difficult to comprehend the magnitude of the universe."
Synonyms: absorb; apprehend; assimilate; cognize; digest; discern
Opposite Meaning: misunderstand

comprehensible (adjective) /ˌkɒm prɪˈhɛn sə bəl/
Definition: Capable of being understood, grasped, or perceived in a clear and intelligible manner.
Example Sentence: "The teacher explained complex scientific concepts in a comprehensible manner."
Synonyms: accessible; clear; cogent; coherent; fathomable; graspable
Opposite Meaning: unclear

comprehension (noun) /ˌkɒm prɪˈhɛn ʃən/
Definition: The ability to understand, grasp, or make sense of information, ideas, or concepts.
Example Sentence: "The comprehension of abstract concepts required deep reflection and analysis."
Synonyms: apprehension; assimilation; awareness; cognition; conception; discernment
Opposite Meaning: ignorance

comprehensive (adjective) /ˌkɒmprɪˈhɛnsɪv/
Definition: Complete, thorough, and includes all aspects or elements of a particular subject or topic.
Example Sentence: "He had a comprehensive understanding of the subject."
Synonyms: broad; compendious; complete; encyclopedic; exhaustive; extensive
Opposite Meaning: limited

comprise (verb) /kəmˈpraɪz/
Definition: To consist of or include something as a part or component.
Example Sentence: "The anthology comprises short stories from various emerging writers."
Synonyms: contain; embody; embrace; enclose; encompass; include
Opposite Meaning: exclude

compromise (noun) /ˈkɒmprəmʌɪz/
Definition: The act of coming to an agreement by making concessions.
Example Sentence: "A willingness to compromise is a key component of effective teamwork."
Synonyms: accord; adjustment; agreement; arrangement; bargain; concession
Opposite Meaning: disagreement

compulsion (noun) /kəmˈpʌlʃ(ə)n/
Definition: An irresistible urge or need to do something, even if it is harmful or irrational.
Example Sentence: "She couldn't resist the compulsion to check her phone every few minutes."
Synonyms: coercion; drive; force; impulse; necessity; obligation
Opposite Meaning: freedom

compulsive (adjective) /kəmˈpʌlsɪv/
Definition: Relating to an irresistible urge to perform a certain behavior or activity, often despite the negative consequences it may have on the person's life.
Example Sentence: "The compulsive gambler couldn't resist the urge to keep playing."
Synonyms: addictive; chronic; incorrigible; inveterate; irresistible; obsessive
Opposite Meaning: controlled

compulsory (adjective) /kəmˈpʌls(ə)ri/
Definition: Required or mandatory, and must be done or followed in accordance with a particular rule, law, or standard.
Example Sentence: "Attendance at the meeting is compulsory for all employees."
Synonyms: binding; coercive; dictated; enforced; essential; forced
Opposite Meaning: optional

compunction (noun) /kəmˈpʌŋkʃ(ə)n/
Definition: A feeling of guilt, remorse or regret about something you have done or might do.
Example Sentence: "He felt a twinge of compunction for breaking his promise to his friend."
Synonyms: condemnation; contrition; guilt; hesitation; misgiving; penitence
Opposite Meaning: indifference

comrade (noun) /ˈkɒmreɪd/
Definition: A person who shares a common interest, cause, or experience with another.
Example Sentence: "He considered her a trusted comrade in their shared mission."
Synonyms: accomplice; ally; colleague; companion; compatriot; confidant
Opposite Meaning: enemy