Related Searches
Nearby Words
| Main Entry: | |
| 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: | effect |
| Part of Speech: | noun |
| Definition: | impact, impression |
| Synonyms: | action, clout, drift, effectiveness, efficacy, efficiency, enforcement, essence, execution, fact, force, implementation, import, imprint, influence, mark, meaning, power, purport, purpose, reality, sense, significance, strength, tenor, use, validity, vigor, weight |
| Notes: | as a noun, affect means 'a feeling or emotion,' whereas effect means 'the result or consequence of some action or process'; as a verb, to affect means 'to exert an influence upon,' and implies the action of a stimulus that can produce a response or reaction, whereas to effect means 'to bring about as a result' effect is a noun referring to a thing, but if you mean an action, that is affect; if you want the verb meaning 'achieve, bring about,' that is effect |
| 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: | 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: | force |
| Part of Speech: | noun |
| Definition: | mental power, energy |
| Synonyms: | ability, authority, bite*, capability, coercion, cogency, competence, determination, dominance, drive, duress, effect, effectiveness, efficacy, emphasis, fierceness, forcefulness, gumption, guts*, impressiveness, influence, intensity, intestinal fortitude, obligation, persistence, persuasiveness, point, pressure, puissance, punch, push, requirement, sapience, stress, validity, validness, vehemence, vigor, willpower |
| Antonyms: | incompetence, weakness |
* = informal/non-formal usage
| Main Entry: | might |
| Part of Speech: | noun |
| Definition: | ability, power |
| Synonyms: | adequacy, arm, authority, capability, capacity, clout, command, competence, control, domination, efficacy, efficiency, energy, force, forcefulness, forcibleness, get-up-and-go, jurisdiction, lustiness, mastery, moxie*, muscle*, peppiness, potency, powerfulness, prowess, puissance, punch, qualification, qualifiedness, sinew, steam, strength, strenuousness, strong arm, sway, valor, vigor, vigorousness |
| Notes: | may is more optimistic than might; may carries the idea of permission while might suggests likelihood |
| Antonyms: | inability, powerlessness, weakness |
* = informal/non-formal usage
| Main Entry: | performance |
| Part of Speech: | noun |
| Definition: | efficiency |
| Synonyms: | action, conduct, effectiveness, efficacy, exercise, functioning, operation, practice, pursuit, running, working |
| Antonyms: | ineffectualness, inefficiency |
| Main Entry: | potency |
| 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
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.
