efficacy

/ˈɛf.ɪ.kə.si/noun
High School
1

The ability to produce a desired effect under ideal testing conditions.

2

A degree of ability to produce a desired effect; effectiveness.

Thesaurus

Synonyms

efficacity

Sound Patterns & Rhymes

Rhymes

Words that share the same ending sound pattern

profligacy

Alliteration

Words starting with the same consonant sound — used in poetry and prose to create rhythm, emphasis, and memorable phrasing (e.g. “Peter Piper picked”)

eareatebaebyeckecoedaedeediedo

Assonance

Words sharing similar vowel sounds regardless of starting letter — creates internal melody in writing

acmaeraflairaixanyarybecbedbeg

Consonance

Words sharing similar consonant sound patterns — adds texture and cohesion to writing

facfixcuffficafoxxfulkkeefkiefkorfflake

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