Efficacy Synonyms and Examples of Efficacy in a Sentence

This page will teach you synonyms of the English word efficacy and show you how to use efficacy in a sentence.

Synonyms for efficacy

The top synonym for efficacy is ability.

Some other good synonyms for efficacy are:

  • effectiveness
  • efficiency
  • usefulness
  • value
  • worth
  • utility

Examples of efficacy in a sentence

Watch video clips that show how to use efficacy in a sentence. Read the captions and think about the collocations (words found in the same sentence as efficacy). Listen to the usage of efficacy in context. Think about what the word means. Pay attention to the pronunciation of efficacy.

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