לדלג לתוכן הראשי

noun

efficacy

the ability to produce a desired or intended result

In a sentence

Six example sentences with efficacy, each labelled with its topic.

  • The trial measured the vaccine's efficacy over two winters by comparing infection rates in neighboring villages.

    Medicine

  • Nobody trusted the filter's efficacy until it caught nine of the ten test messages without touching real mail.

    Technology

  • Short daily journaling showed surprising efficacy: students who kept it up reported calmer weeks by the end of term.

    Psychology

  • Studies of static stretching found little efficacy for preventing injury, and most coaches switched to warm-up jogs instead.

    Fitness

  • The restored marsh proved its efficacy during the spring floods, holding back water that would once have reached the town.

    Environment

  • Economists still argue over the efficacy of the stimulus, since nobody can rerun the recession without it.

    Economics

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Found in these word lists

Found in 7 published word lists

Each source is a published word list that contains efficacy. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.