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efficacy

The ability to produce a desired or intended result.

GRE

Example

Researchers questioned the efficacy of the traditional approach after newer methods yielded superior outcomes.

Synonyms

effectivenesspotencycapability

Found in

Related Words

abaseTo lower in rank, prestige, or esteem; to degrade or humble.GREabjureTo formally renounce or reject a belief, cause, or claim.GRE · SATabrogateTo formally abolish or annul a law, agreement, or custom by authoritative action…GRE · SATabstainTo deliberately choose not to do or have something; to refrain.GRE · SAT · TOEFLaccoladeAn award or expression of praise and admiration.GRE · SATaccrueTo accumulate or receive over time, especially benefits, profits, or advantages.GRE · SATacerbicSharp, forthright, and harsh in tone or manner, especially of speech or commenta…GRE · SATadamantRefusing to be persuaded or to change one's mind; utterly unyielding.GRE · SAT

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