Efficacy GRE Vocabulary Flashcard
Efficacy GRE Vocabulary Flashcard
/ˈef.ɪ.kə.si/ (noun)
an ability, especially of a medicine or a method of achieving something, to produce the intended result, effectiveness, efficiency, usefulness, worth, value, ability, dynamism, force, power, productiveness, proficiency, strength, vigor:
They recently ran a series of tests to measure the efficacy of the drug.
Antonyms
inefficiency
Parts of Speech
- Adjective: efficacious
- Noun: efficaciousness
- Adverb: efficaciously