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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | useful, functional |
| Synonyms: | advantageous, aiding, assistive, beneficial, convenient, dependable, durable, efficient, handy, hard-wearing, helpful, invaluable, operative, practical, profitable, usable, utile, utilitarian, valuable |
| Antonyms: | unhelpful, unprofitable, unserviceable, useless, weak, worthless |
| Main Entry: | beneficial |
| Part of Speech: | adjective |
| Definition: | advantageous |
| Synonyms: | benign, constructive, favorable, favoring, gainful, good, good for what ails you, healthful, helpful, profitable, propitious, salubrious, salutary, serviceable, toward, useful, valuable, what the doctor ordered, wholesome, worthy |
| Antonyms: | disadvantageous, harmful, hurting, unfortunate, unhelpful, unrewarding |
| Main Entry: | convenient |
| Part of Speech: | adjective |
| Definition: | appropriate, useful |
| Synonyms: | acceptable, accommodating, adaptable, adapted, advantageous, agreeable, aiding, assisting, available, beneficial, comfortable, commodious, conducive, contributive, decent, favorable, fit, fitted, good, handy, helpful, in public interest, opportune, proper, ready, roomy, seasonable, serviceable, suitable, suited, time-saving, timely, user-friendly, well-planned |
| Antonyms: | awkward, inappropriate, inconvenient, ineffectual, inopportune, unadaptable, unhandy, unsuited, unuseful |
| 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: | efficacious |
| Part of Speech: | adjective |
| Definition: | efficient, productive |
| Synonyms: | active, adequate, capable, competent, effective, effectual, energetic, influential, operative, potent, powerful, puissant, serviceable, strong, successful, useful, virtuous |
| 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' if something is efficacious, it is able to produce the desired result; efficacy means the power to produce effects |
| Antonyms: | incapable, inefficacious, inefficient, unproductive, unsuccessful, useless |
| Main Entry: | functional |
| Part of Speech: | adjective |
| Definition: | working |
| Synonyms: | handy, occupational, operative, practicable, practical, serviceable, useful, utile, utilitarian, utility |
| Antonyms: | broken, idle, malfunctioning, unfunctional |
| 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 |
| Main Entry: | good |
| Part of Speech: | adjective |
| Definition: | useful, adequate |
| Synonyms: | acceptable, advantageous, all right, ample, appropriate, approving, apt, auspicious, becoming, benefic, beneficial, benignant, brave, commendatory, commending, common, conformable, congruous, convenient, decent, desirable, favorable, favoring, fit, fitting, fruitful, healthful, healthy, helpful, hygienic, meet, needed, opportune, profitable, proper, propitious, respectable, right, salubrious, salutary, satisfying, seemly, serviceable, suitable, tolerable, toward, unobjectionable, wholesome |
| 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: | inadequate, rotten, 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.
