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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | active, functioning; influential |
| Synonyms: | accessible, alive, crucial, current, dynamic, effective, efficient, employable, functional, important, in force, in operation, indicative, key, live, open, operational, practicable, relevant, running, serviceable, significant, standing, usable, workable, working |
| Antonyms: | inactive, ineffective, ineffectual, inoperative, unfunctional, unworking, useless, worthless |
| Main Entry: | active |
| Part of Speech: | adjective |
| Definition: | having movement |
| Synonyms: | alive, astir, at work, bustling, effective, efficacious, exertive, flowing, functioning, going, hasty, impelling, in force, in play, in process, mobile, movable, moving, operating, operative, progressive, pushing, rapid, restless, rolling, running, rushing, rustling, shifting, simmering, speeding, speedy, streaming, swarming, traveling, turning, walking, working |
| Notes: | active knowledge is the knowledge of a language which a user actively employs in speech or writing, as opposed to passive knowledge, which is what a person understands in what he/she hears or reads |
| Antonyms: | abeyant, dormant, immobile, inactive, inert, lazy, sluggish |
| Main Entry: | alive |
| Part of Speech: | adjective |
| Definition: | being animately existent |
| Synonyms: | animate, around, awake, breathing, cognizant, conscious, dynamic, existing, extant, functioning, growing, knowing, live, living, mortal, operative, running, subsisting, viable, vital, working, zoetic |
| Antonyms: | dead, deceased, inanimate, lifeless |
| 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: | effective |
| Part of Speech: | adjective |
| Definition: | in use at the time |
| Synonyms: | active, actual, current, direct, dynamic, in effect, in execution, in force, in operation, operative, real |
| 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: | inoperative, useless |
| 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: | helpful |
| Part of Speech: | adjective |
| Definition: | beneficial, beneficent |
| Synonyms: | accessible, accommodating, advantageous, applicable, benevolent, bettering, caring, conducive, considerate, constructive, contributive, convenient, cooperative, crucial, effectual, efficacious, essential, favorable, fortunate, friendly, good for, important, improving, instrumental, invaluable, kind, neighborly, operative, practical, pragmatic, productive, profitable, serendipitous, serviceable, significant, suitable, supportive, symbiotic, sympathetic, timely, usable, useful, utilitarian, valuable |
| Antonyms: | disadvantageous, harmful, hurtful, injurious, unconstructive, unhelpful, useless, worthless |
| Main Entry: | live |
| Part of Speech: | adjective |
| Definition: | energetic, vigorous |
| Synonyms: | active, alert, brisk, burning, controversial, current, dynamic, earnest, effective, effectual, efficacious, efficient, functioning, hot*, lively, operative, pertinent, pressing, prevalent, running, topical, unsettled, vital, vivid, working |
| Antonyms: | apathetic, dispirited, inactive, lethargic |
* = informal/non-formal usage
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
