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important - 20 thesaurus results
| Main Entry: | important |
| Part of Speech: | adjective |
| Definition: | valuable, substantial |
| Synonyms: | big, chief, considerable, conspicuous, critical, crucial, decisive, determining, earnest, essential, exceptional, exigent, extensive, far-reaching, foremost, grave, great, heavy, imperative, importunate, influential, large, marked, material, meaningful, momentous, necessary, paramount, ponderous, pressing, primary, principal, relevant, salient, serious, signal, significant, something, urgent, vital, weighty, big-league*, esteemed, front-page, mattering much, of moment, of note, of substance, standout |
| Antonyms: | insignificant, little, nonessential, small, trivial, unimportant, unsubstantial, inappreciable |
* = informal/non-formal usage
| Main Entry: | important |
| Part of Speech: | adjective |
| Definition: | eminent, influential, outstanding |
| Synonyms: | VIP*, aristocratic, distinctive, distinguished, effective, extraordinary, famous, first-class*, foremost, grand, heavy*, high profile, honored, illustrious, imposing, incomparable, leading, majestic, noble, notable, noted, noteworthy, potent, powerful, preeminent, prominent, remarkable, seminal, signal, solid, superior, talented, top-drawer, top-notch*, well-known, big-time, esteemed, four-star, front-page, high-level, high-ranking, high-up, major-league, of note, page-one, upper-class |
| Antonyms: | insignificant, powerless, unimportant, unknown, worthless |
* = informal/non-formal usage
| Main Entry: | celebrated |
| Part of Speech: | adjective |
| Definition: | distinguished, famous |
| Synonyms: | acclaimed, big*, eminent, famed, glorious, great, high-powered, illustrious, immortal, important, large, notable, number one, outstanding, popular, preeminent, prominent, renowned, storied, well-known, laureate, lionized, numero uno, revered, up there, w. k. |
| Antonyms: | inglorious, obscure, plain, unknown, inexalted |
* = informal/non-formal usage
| Main Entry: | central |
| Part of Speech: | adjective |
| Definition: | main, principal; in the middle |
| Synonyms: | basic, cardinal, center, chief, dominant, equidistant, essential, focal, foremost, fundamental, important, inmost, inner, interior, intermediate, key, leading, master, mean, median, mid, middle, outstanding, overriding, paramount, pivotal, predominant, primary, prime, radical, ruling, salient, significant, axial, centric, centroidal, middlemost, midmost, midway, nuclear, omphalic, umbilical |
| Antonyms: | exterior, minor, outside, peripheral, secondary |
| Main Entry: | consequential |
| Part of Speech: | adjective |
| Definition: | significant |
| Synonyms: | big, considerable, eventful, far-reaching, grave, important, material, meaningful, momentous, serious, substantial, weighty |
| Antonyms: | inconsequential, insignificant, uneventful, unimportant |
| Main Entry: | deciding |
| Part of Speech: | adjective |
| Definition: | determining |
| Synonyms: | chief, conclusive, critical, crucial, decisive, important, influential, key, necessary, prime, principal, significant |
| Antonyms: | inconclusive, insignificant, secondary, trivial, uncritical, unimportant |
| Main Entry: | emphatic |
| Part of Speech: | adjective |
| Definition: | insistent, unequivocal |
| Synonyms: | absolute, assertive, assured, categorical, certain, cogent, confident, decided, definite, definitive, determined, direct, distinct, dogmatic, dynamic, earnest, energetic, explicit, express, flat, forceful, forcible, important, impressive, marked, momentous, pointed, positive, potent, powerful, pronounced, significant, sober, solemn, striking, strong, sure, telling, trenchant, unmistakable, vigorous, accented, for a face, no mistake, resounding, stressed |
| Antonyms: | equivocal, indefinite, indistinct, insignificant, reserved, understated, unpronounced |
| Main Entry: | eventful |
| Part of Speech: | adjective |
| Definition: | significant, busy |
| Synonyms: | active, consequential, critical, crucial, decisive, exciting, fateful, full, historic, important, lively, memorable, momentous, notable, noteworthy, outstanding, remarkable, signal |
| Antonyms: | dull, insignificant, normal, ordinary, trivial, uneventful, usual, unnoteworthy |
| Main Entry: | famous |
| Part of Speech: | adjective |
| Definition: | legendary, notable to many |
| Synonyms: | acclaimed, august, brilliant, celebrated, conspicuous, distinguished, elevated, eminent, exalted, excellent, extraordinary, foremost, glorious, grand, great, honored, illustrious, important, imposing, influential, leading, memorable, mighty, noble, noted, noteworthy, notorious, outstanding, peerless, powerful, preeminent, prominent, recognized, remarkable, renowned, reputable, signal, splendid, well-known, applauded, in limelight, in spotlight, lionized, much-publicized, of note, talked about |
| Notes: | famous means widely known, renowned, and esteemed while infamous means having an exceedingly bad reputation, notorious |
| Antonyms: | inconspicuous, obscure, unknown, unnotable, unremarkable |
| Main Entry: | far-reaching |
| Part of Speech: | adjective |
| Definition: | broad, widespread |
| Synonyms: | extensive, important, momentous, pervasive, significant, sweeping, wide, far-ranging |
| Antonyms: | incomprehensible, insignificant, narrow, trivial, unimportant |
| Main Entry: | helpful |
| Part of Speech: | adjective |
| Definition: | beneficial, beneficent |
| Synonyms: | accessible, accommodating, advantageous, applicable, benevolent, conducive, considerate, constructive, convenient, cooperative, crucial, effectual, efficacious, essential, favorable, fortunate, friendly, important, improving, instrumental, invaluable, kind, neighborly, operative, practical, pragmatic, productive, profitable, serviceable, significant, suitable, sympathetic, timely, usable, useful, utilitarian, valuable, bettering, caring, contributive, good for, serendipitous, supportive, symbiotic |
| Antonyms: | disadvantageous, harmful, hurtful, injurious, useless, worthless, unconstructive, unhelpful |
| Main Entry: | highfalutin |
| Part of Speech: | adjective |
| Definition: | pompous |
| Synonyms: | arrogant, boastful, conceited, flaunting, grandiose, high and mighty*, important, lofty, ostentatious, overbearing, presumptuous, pretentious, puffy, self-centered, stuck-up*, swanky, uppity*, vain, puffed up |
* = informal/non-formal usage
| Main Entry: | historic |
| Part of Speech: | adjective |
| Definition: | momentous, remarkable |
| Synonyms: | celebrated, consequential, extraordinary, famous, important, memorable, notable, outstanding, red-letter*, significant, well-known |
| Antonyms: | unimportant, unremarkable |
* = informal/non-formal usage
| Main Entry: | historical |
| Part of Speech: | adjective |
| Definition: | recorded as actually having happened |
| Synonyms: | actual, ancient, authentic, classical, factual, important, old, past, real, verifiable, archival, attested, chronicled, commemorated, documented, in truth |
| Antonyms: | fictional |
| Main Entry: | impressive |
| Part of Speech: | adjective |
| Definition: | powerful, influential |
| Synonyms: | absorbing, affecting, august, awe-inspiring, consequential, cool*, deep*, dramatic, effective, eloquent, excited, exciting, extraordinary, forcible, grand, impassioned, important, imposing, inspiring, intense, lavish, luxurious, majestic, massive, momentous, monumental, moving, noble, notable, penetrating, prime*, profound, remarkable, rousing, splendid, stately, stirring, striking, sumptuous, superb, thrilling, touching, towering, vital, arresting, well-done |
| Antonyms: | inconsequential, ineffective, insignificant, unimportant, weak, unimpressive |
* = informal/non-formal usage
| Main Entry: | influential |
| Part of Speech: | adjective |
| Definition: | effective, powerful |
| Synonyms: | affecting, authoritative, controlling, dominant, efficacious, famous, forcible, governing, important, impressive, inspiring, instrumental, leading, meaningful, momentous, moving, name, persuasive, potent, prominent, significant, strong, substantial, telling, touching, weighty, big-gun, big-wheel, guiding, hot-dog, major-league |
| Antonyms: | ineffective, ineffectual, unimportant, unmoving, weak, uninfluential |
| Main Entry: | life-and-death |
| Part of Speech: | adjective |
| Definition: | extremely important |
| Synonyms: | consequential, critical, crucial, determining, essential, imperative, important, indispensable, meaningful, paramount, pivotal, serious, significant, urgent, vital, all-important, earth-shaking, earth-shattering, life or death, of vital importance, vitally important |
| Main Entry: | meaningful |
| Part of Speech: | adjective |
| Definition: | significant |
| Synonyms: | big, clear, concise, consequential, considerable, deep, eloquent, essential, exact, explicit, expressive, heavy, important, indicative, intelligible, material, momentous, pointed, pregnant, purposeful, relevant, sententious, serious, substantial, succinct, suggestive, useful, valid, weighty, worthwhile, allusive |
| Antonyms: | insignificant, meaningless, useless, worthless |
| Main Entry: | memorable |
| Part of Speech: | adjective |
| Definition: | noteworthy, significant |
| Synonyms: | catchy, celebrated, critical, crucial, decisive, distinguished, enduring, eventful, extraordinary, famous, great, heavy*, historic, hot*, illustrious, important, impressive, indelible, interesting, lasting, meaningful, mind-blowing*, momentous, monumental, notable, observable, red-letter*, remarkable, serious, signal, something, striking, super, terrible, terrific, top-drawer, unforgettable, A-1*, big-league*, bodacious, doozie, heavyweight, major-league, rememberable, rubric, standout, surpassing |
| Antonyms: | insignificant, forgettable, unimpressive, unnoteworthy |
* = informal/non-formal usage
| Main Entry: | monumental |
| Part of Speech: | adjective |
| Definition: | impressive, overwhelming |
| Synonyms: | awe-inspiring, awesome, classic, enduring, enormous, fantastic, gigantic, grand, great, historic, huge, immense, immortal, important, lasting, lofty, majestic, mammoth, massive, memorable, mighty, mortal, mountainous, outstanding, prodigious, significant, stupendous, towering, tremendous, unforgettable, vast |
| Antonyms: | insignificant, trivial, unimportant, unimposing, unimpressive |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Copyright © 2009, Dictionary.com, LLC. All rights reserved.
