| 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: | capability |
| Part of Speech: | noun |
| Definition: | ability to perform |
Synonyms: |
adequacy, aptitude, art, capacity, competence, craft, cunning, effectiveness, efficacy, efficiency, facility, faculty, means, might, potency, potential, potentiality, power, proficiency, qualification, qualifiedness, skill, wherewithal |
| Notes: | capacity refers to a general ability to comprehend an issue or perform a task; capability implies a reference to one of a set of such abilities |
Antonyms: |
impotence, inability, incompetence, ineptness |
| 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 |
| 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 |
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 |
| 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 |
| 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 |
Antonyms: |
inability, powerlessness, weakness |
| 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 |