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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | adept, effective |
| Synonyms: | able, accomplished, active, adapted, adequate, apt, businesslike, capable, clever, competent, conducive, decisive, deft, dynamic, economic, economical, effectual, efficacious, energetic, equal to, experienced, expert, familiar with, fitted, good at, good for, handy, masterly, organized, potent, powerful, practiced, productive, proficient, profitable, qualified, ready, saving, shrewd, skilled, skillful, systematic, talented, tough, useful, valuable, virtuous, well-organized |
| Antonyms: | helpless, impotent, incompetent, ineffective, inefficient, powerless, unable, weak |
| Main Entry: | capable |
| Part of Speech: | adjective |
| Definition: | able to perform |
| Synonyms: | able, accomplished, adapted, adept, adequate, apt, au fait, clever, competent, dynamite, efficient, experienced, fireball, fitted, gifted, good, green thumb, has what it takes, having know-how, having the goods, having the right stuff, intelligent, knowing the ropes, knowing the score, like a one-man band, like a pistol, masterly, old hand, old-timer, on the ball, proficient, proper, qualified, skillful, suited, talented, there, up to it, up to snuff, up to speed, up*, veteran |
| Notes: | able is having the necessary power to accomplish something while capable means having the potential to accomplish something |
| Antonyms: | impotent, incapable, incompetent, inept, unable, unskilled, unskillful |
* = informal/non-formal usage
| Main Entry: | competent |
| Part of Speech: | adjective |
| Definition: | able |
| Synonyms: | adapted, adequate, all around, appropriate, au fait, being a pistol, capable, clever, complete, crisp, decent, dynamite, efficient, endowed, enough, equal, fireball, fit, fool, good, know ins and outs, know one's business, know one's stuff, know the answers, know the ropes, know the score, no slouch, on the ball, paid one's dues, pertinent, polished, proficient, qualified, satisfactory, savvy, skilled, sufficient, suitable, there, up to it, up to snuff, up to speed, wicked* |
| Antonyms: | inadequate, incapable, incompetent, inefficient, inept, unable |
* = informal/non-formal usage
| Main Entry: | economical |
| Part of Speech: | adjective |
| Definition: | conservative with resources; careful |
| Synonyms: | avaricious, canny, chary, circumspect, close, closefisted, cost-effective, curmudgeonly, efficient, frugal, meager, mean, methodical, miserly, money-saving, niggardly, on the rims, parsimonious, penny-pinching, penny-wise, penurious, practical, provident, prudent, prudential, saving, scrimping, skimping, spare, sparing, stingy, thrifty, tight, time-saving, unwasteful, watchful, work-saving |
| Notes: | economic means 'pertaining to the production and use of income' and economical is 'avoiding waste, being careful of resources' |
| Antonyms: | careless, expensive, uncareful, uneconomical, wasteful |
| 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, having lead in pencil, impressive, live, moving, on the ball, operative, playing hardball, potent, powerful, powerhouse, practical, producing, resultant, serviceable, serving, sound, striking, sufficient, telling, trenchant, useful, valid, virtuous, wicked*, yielding |
| 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: | effectual |
| Part of Speech: | adjective |
| Definition: | influential; authoritative |
| Synonyms: | accomplishing, achieving, adequate, binding, capable, conclusive, decisive, determinative, effecting, effective, efficacious, efficient, forcible, fulfilling, in force, lawful, legal, licit, potent, powerful, practicable, productive, qualified, serviceable, sound, strong, successful, telling, useful, valid, virtuous, workable |
| 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: | impotent, incapable, ineffectual, unproductive, unsuccessful, useless, weak |
| 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: | pokey, retarded, slow |
| Main Entry: | forcible |
| Part of Speech: | adjective |
| Definition: | powerful, aggressive |
| Synonyms: | active, armed, assertive, coercive, cogent, compelling, compulsory, drastic, effective, efficient, energetic, forceful, impressive, intense, mighty, militant, persuasive, potent, puissant, strong, telling, valid, vehement, vigorous, violent, weighty |
| Notes: | forcible indicates the use of brute force, forced means done involuntarily, and forceful suggests a potential for force |
| Antonyms: | nonaggressive, weak |
| Main Entry: | good |
| Part of Speech: | adjective |
| Definition: | competent, skilled |
| Synonyms: | able, accomplished, adept, adroit, au fait, capable, clever, dexterous, efficient, expert, first-rate, proficient, proper, qualified, reliable, satisfactory, serviceable, skillful, suitable, suited, talented, thorough, trustworthy, useful |
| Notes: | using good as an adverb in place of well ("she dances real good," "he did good") is nonstandard usage - so, it would be best to say "she dances very well," "he did well" well is an adverb to describe an activity; good is an adjective to describe a condition or state |
| Antonyms: | incompetent, unskilled, unsuitable |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
