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effective - 20 thesaurus results
| Main Entry: | effective |
| Part of Speech: | adjective |
| Definition: | productive, persuasive |
| Synonyms: | able, active, adequate, capable, cogent, compelling, competent, convincing, direct, effectual, efficacious, efficient, emphatic, energetic, forceful, forcible, impressive, live, moving, on the ball*, operative, potent, powerful, practical, producing, serviceable, serving, sound, striking, sufficient, telling, trenchant, useful, valid, virtuous, wicked*, yielding, having lead in pencil, playing hardball, powerhouse, resultant |
| Notes: | effective means 'having a (desired) result or effect,' effectual is 'succeeding in producing a desired result or effect,' and efficacious means the same as effectual as well as 'serving as an effective solution or remedy' |
| Antonyms: | fruitless, impotent, incapable, ineffective, unproductive, useless, weak |
* = informal/non-formal usage
| Main Entry: | effective |
| Part of Speech: | adjective |
| Definition: | in use at the time |
| Synonyms: | active, actual, current, direct, dynamic, in effect, operative, real, in execution, in force, in operation |
| Antonyms: | inoperative, useless |
| Main Entry: | businesslike |
| Part of Speech: | adjective |
| Definition: | efficient, professional |
| Synonyms: | accomplished, careful, concentrated, correct, diligent, direct, earnest, effective, enterprising, expeditious, hardworking, industrious, intent, matter-of-fact, methodical, orderly, organized, painstaking, practical, practiced, purposeful, regular, routine, sedulous, serious, skillful, systematic, thorough, disciplined, well-ordered, workaday |
| Antonyms: | amateur, disorganized, inefficient, unprofessional, unbusinesslike |
| Main Entry: | chief |
| Part of Speech: | adjective |
| Definition: | most important, essential |
| Synonyms: | arch, capital, cardinal, central, champion, consequential, controlling, crucial, effective, especial, first, foremost, grand, head, highest, key, leading, main, major, momentous, number one, outstanding, paramount, potent, predominant, preeminent, premier, primal, primary, prime, principal, ruling, significant, star, stellar, superior, supreme, telling, uppermost, vital, weighty |
| Antonyms: | minor, secondary, subordinate, unimportant, unnecessary, inessential |
| Main Entry: | constructive |
| Part of Speech: | adjective |
| Definition: | helpful |
| Synonyms: | effective, positive, practical, productive, useful, valuable |
| Antonyms: | destructive, injurious, negative, hurting, unhelpful |
| Main Entry: | dramatic |
| Part of Speech: | adjective |
| Definition: | exciting, moving |
| Synonyms: | affecting, breathtaking, comic, effective, emotional, expressive, farcical, histrionic, impressive, melodramatic, powerful, sensational, startling, striking, sudden, tense, theatrical, thespian, thrilling, tragic, vivid, climactic, electrifying, suspenseful, tragicomic |
| Antonyms: | normal, ordinary, unexciting, unmoving, usual, comedic, undramatic |
| Main Entry: | dynamic |
| Part of Speech: | adjective |
| Definition: | active, vital |
| Synonyms: | aggressive, changing, charismatic, compelling, driving, effective, electric, energetic, enterprising, forceful, forcible, go-ahead*, influential, intense, lively, lusty, magnetic, peppy*, potent, powerful, productive, progressive, strenuous, vehement, vigorous, zippy*, activating, coming on strong, energizing, go-getter, go-getting, highpowered, hyped-up, play for keeps, play hard ball, red-blooded*, vitalizing |
| Antonyms: | apathetic, boring, dull, inactive, passive, unexciting |
* = informal/non-formal usage
| Main Entry: | effectual |
| Part of Speech: | adjective |
| Definition: | influential; authoritative |
| Synonyms: | adequate, binding, capable, conclusive, decisive, effective, efficacious, efficient, forcible, lawful, legal, licit, potent, powerful, practicable, productive, qualified, serviceable, sound, strong, successful, telling, useful, valid, virtuous, workable, accomplishing, achieving, determinative, effecting, fulfilling, in force |
| Antonyms: | impotent, incapable, ineffectual, unproductive, unsuccessful, useless, weak |
| Main Entry: | efficacious |
| Part of Speech: | adjective |
| Definition: | efficient, productive |
| Synonyms: | active, adequate, capable, competent, effective, effectual, energetic, influential, operative, potent, powerful, serviceable, strong, successful, useful, virtuous, puissant |
| Antonyms: | incapable, inefficient, unproductive, unsuccessful, useless, inefficacious |
| Main Entry: | elegant |
| Part of Speech: | adjective |
| Definition: | beautiful, tasteful |
| Synonyms: | affected, appropriate, apt, aristocratic, artistic, august, chic, choice, classic, clever, comely, courtly, cultured, dainty, delicate, dignified, effective, exquisite, fancy, fashionable, fine, genteel, graceful, grand, handsome, ingenious, luxurious, majestic, modish, neat, nice, noble, opulent, ornate, ostentatious, overdone, polished, rare, refined, rich, select, simple, stately, stuffy, stylish, sumptuous, superior, turgid, well-bred, cultivated, ornamented, recherché, stylized |
| Antonyms: | crude, inelegant, rough, ugly, unfashionable, unrefined, unsophisticated, untasteful |
| Main Entry: | expedient |
| Part of Speech: | adjective |
| Definition: | worthwhile, appropriate |
| Synonyms: | ad hoc, advantageous, advisable, beneficial, convenient, desirable, discreet, effective, feasible, fit, fitting, helpful, judicious, meet, opportune, politic, possible, practicable, practical, pragmatic, profitable, proper, prudent, seasonable, suitable, tactical, timely, useful, utilitarian, wise |
| Antonyms: | inappropriate, inexpedient, unprofitable, unbeneficial, unworthwhile |
| Main Entry: | expeditious |
| Part of Speech: | adjective |
| Definition: | immediate, speedy |
| Synonyms: | active, alert, breakneck, brisk, diligent, effective, effectual, efficient, fast, fleet, hasty, instant, nimble, prompt, punctual, quick, rapid, ready, swift |
| Antonyms: | retarded, slow, pokey |
| Main Entry: | forcible |
| Part of Speech: | adjective |
| Definition: | powerful, aggressive |
| Synonyms: | active, armed, assertive, cogent, compelling, compulsory, drastic, effective, efficient, energetic, forceful, impressive, intense, mighty, militant, persuasive, potent, strong, telling, valid, vehement, vigorous, violent, weighty, coercive, puissant |
| Antonyms: | weak, nonaggressive |
| Main Entry: | fruitful |
| Part of Speech: | adjective |
| Definition: | productive |
| Synonyms: | abounding, abundant, advantageous, beneficial, blooming, blossoming, breeding, conducive, copious, effective, fecund, fertile, flourishing, flush, gainful, plentiful, profitable, profuse, prolific, rewarding, rich, successful, useful, worthwhile, childing, fructiferous, plenteous, proliferant, propagating, reproducing, spawning, well-spent |
| Antonyms: | barren, impotent, sterile, unfruitful, unproductive |
| Main Entry: | high-powered |
| Part of Speech: | adjective |
| Definition: | powerful |
| Synonyms: | authoritarian, authoritative, commanding, controlling, dominant, dynamic, effective, effectual, forceful, forcible, influential, mighty, potent, robust, ruling, strong, supreme, weighty, in control, in the saddle |
| Main Entry: | imposing |
| Part of Speech: | adjective |
| Definition: | impressive |
| Synonyms: | august, big, commanding, dignified, effective, exciting, grand, grandiose, imperial, magnificent, majestic, massive, mind-blowing*, monumental, moving, noble, ominous, overblown, overwhelming, pretentious, regal, royal, stately, stirring, striking, towering, mega, one for the book, something else, something to write home about |
| Antonyms: | common, modest, ordinary, poor, subordinate, trivial, unimportant, unimposing, unimpressive |
* = informal/non-formal usage
| 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: | infallible |
| Part of Speech: | adjective |
| Definition: | unerring, dependable |
| Synonyms: | acceptable, accurate, agreeable, authoritative, certain, correct, effective, effectual, efficacious, efficient, exact, faultless, flawless, foolproof, handy, helpful, impeccable, incontrovertible, omniscient, perfect, positive, reliable, satisfactory, satisfying, sure, true, trustworthy, unbeatable, unfailing, unimpeachable, unquestionable, useful, apodictic, inerrable, inerrant, surefire, undeceivable |
| Antonyms: | erring, fallible, faulty, imperfect |
| Main Entry: | operative |
| Part of Speech: | adjective |
| Definition: | active, functioning; influential |
| Synonyms: | accessible, alive, crucial, current, dynamic, effective, efficient, functional, important, indicative, key, live, open, operational, practicable, relevant, running, serviceable, significant, standing, usable, workable, working, employable, in force, in operation |
| Antonyms: | inactive, ineffective, ineffectual, inoperative, useless, worthless, unfunctional, unworking |
| Main Entry: | pithy |
| Part of Speech: | adjective |
| Definition: | brief, to the point |
| Synonyms: | cogent, compact, concise, crisp, curt, effective, epigrammatic, expressive, laconic, meaningful, meaty*, pointed, short, significant, succinct, terse, trenchant, down to brass tacks, honed, short-and-sweet |
| Antonyms: | long-winded, verbose, wordy |
* = informal/non-formal usage
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Copyright © 2009, Dictionary.com, LLC. All rights reserved.
