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| Main Entry: | |
| Part of Speech: | noun |
| Definition: | effectiveness |
| Synonyms: | authority, birr, capability, capacity, command, control, dominion, efficacy, efficiency, energy, force, go*, hardihood, influence, juice*, kick*, might, moxie*, muscle*, pep, potential, power, puissance, punch, sinew, snap, sock, steam, strength, sway, vigor, virtue, what it takes, zap, zing, zip |
| Antonyms: | disability, impotency, ineffectiveness, weakness |
* = informal/non-formal usage
| Main Entry: | cogency |
| Part of Speech: | noun |
| Definition: | effectiveness |
| Synonyms: | bearing, concern, connection, conviction, convincingness, force, forcefulness, pertinence, point, potency, power, punch, relevance, strength, validity, validness |
| Antonyms: | impotence, ineffectiveness, invalidity, weakness |
| Main Entry: | degree |
| Part of Speech: | noun |
| Definition: | recognition of achievement; rank or grade of position |
| Synonyms: | approbation, approval, baccalaureate, caliber, class, compass, credentials, credit, dignification, dignity, distinction, eminence, grade, height, honor, level, magnitude, order, pitch, point, position, potency, qualification, quality, quantity, range, rank, reach, scope, sheepskin, shingle, sort, stage, standard, standing, station, status, strength, testimonial, testimony |
| Main Entry: | effectiveness |
| Part of Speech: | noun |
| Definition: | influence |
| Synonyms: | capability, clout, cogency, effect, efficacy, efficiency, force, forcefulness, performance, point, potency, power, punch, strength, success, use, validity, validness, verve, vigor, weight |
| Antonyms: | ineffectiveness, unproductivity, uselessness |
| Main Entry: | efficacy |
| Part of Speech: | noun |
| Definition: | efficiency; productiveness |
| Synonyms: | ability, adequacy, capability, capableness, capacity, competence, effect, effectiveness, efficaciousness, energy, force, influence, performance, potency, power, strength, success, sufficiency, use, vigor, virtue, weight |
| Notes: | if something is efficacious, it is able to produce the desired result; efficacy means the power to produce effects |
| Antonyms: | failure, inefficacy, inefficiency, unproductiveness, uselessness, weakness |
| Main Entry: | efficiency |
| Part of Speech: | noun |
| Definition: | adeptness, effectiveness |
| Synonyms: | ability, abundance, adaptability, address, adequacy, capability, capableness, competence, competency, completeness, economy, effectualness, efficacy, energy, expertise, facility, faculty, know-how, performance, potency, power, powerfulness, productiveness, productivity, proficiency, prowess, quantity, readiness, resourcefulness, response, skill, skillfulness, suitability, suitableness, talent, thoroughness |
| Notes: | competence is a measure of the ability to perform a task; efficiency is a measure of the success achieved in the performance of a task |
| Antonyms: | helplessness, impotence, inability, incompetence, ineffectiveness, inefficiency, weakness |
| Main Entry: | energy |
| Part of Speech: | noun |
| Definition: | person's spirit and vigor |
| Synonyms: | activity, animation, application, ardor, birr, dash, drive, effectiveness, efficacy, efficiency, endurance, enterprise, exertion, fire, force, forcefulness, fortitude, get-up-and-go, go, hardihood, initiative, intensity, juice, life, liveliness, might, moxie*, muscle, operativeness, pep, pizzazz, pluck, potency, power, puissance, punch, spirit, spontaneity, stamina, steam, strength, toughness, tuck, vehemence, verve, vim, virility, vitality, vivacity, zeal, zest, zing, zip, élan |
| Antonyms: | idleness, inactivity, laziness, lethargy, tiredness |
* = informal/non-formal usage
| Main Entry: | fertility |
| Part of Speech: | noun |
| Definition: | readiness to bear, produce |
| Synonyms: | abundance, copiousness, fecundity, feracity, fruitfulness, generative capacity, gravidity, luxuriance, plentifulness, potency, pregnancy, productiveness, productivity, prolificacy, prolificity, puberty, pubescence, richness, uberty, virility |
| Antonyms: | aridity, childlessness, emptiness, infertility, sterility |
| Main Entry: | force |
| Part of Speech: | noun |
| Definition: | physical energy, power |
| Synonyms: | arm, brunt, clout, coercion, compulsion, conscription, constrait, draft, duress, dynamism, effort, enforcement, exaction, extortion, full head of steam, fury, horsepower, impact, impetus, impulse, might, momentum, muscle, pains, potency, potential, pow, pressure, punch, push, sinew, sock, speed, steam, stimulus, strain, strength, stress, strong arm, stuff*, subjection, tension, trouble, velocity, vigor, violence, what it takes |
| Antonyms: | powerlessness, weakness |
* = 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.
