efficacy

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈɛfɪkəsi/US:USA pronunciation: respellingUSA pronunciation: respelling(efi kə sē)

Inflections of 'efficacy' (n): npl: efficacies

efficacy
WordReference English Thesaurus © 2025
Sense: Noun: effectiveness
Synonyms:
effectiveness Collocations, efficiency Collocations, efficaciousness, potency, productiveness, usefulness, power Collocations, value Collocations, strength Collocations


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