HyperDic: efficacy

English > 1 sense of the word efficacy:
NOUNattributeefficacy, efficaciousnesscapacity or power to produce a desired effect
efficacy > pronunciation
Soundseh'fihkae.siy
Rhymesabsorbency ... Yangtze: 255 rhymes with siy...
English > efficacy: 1 sense > noun 1, attribute
MeaningCapacity or power to produce a desired effect.
Example"concern about the safety and efficacy of the vaccine"
Synonymefficaciousness
Attributesefficaciousmarked by qualities giving the power to produce an intended effect
inefficaciouslacking the power to produce a desired effect
Broadereffectiveness, effectivity, effectualness, effectualityPower to be effective
Oppositeinefficacy, inefficaciousnessA lack of efficacy
Spanishdiligencia, efectividad, eficacia
Catalaneficàcia, eficiència
Adjectivesefficaciousmarked by qualities giving the power to produce an intended effect
efficaciousproducing or capable of producing an intended result or having a striking effect

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