Words Like EFFICACY

We have put together a list of words that are similar to EFFICACY.

4 Alternative Words Similar to efficacy

2 Effectiveness Noun      Synonym Words Like Effectiveness
3 Inefficacy Noun      Antonym Words Like Inefficacy
4 Efficacy Noun      Synonym Words Like Efficacy

1 examples of efficacy

1 the efficacy of medicine in counteracting disease; the efficacy of prayer.

6 definitions of efficacy

1 Power to produce effects; operation or energy of an agent or force; production of the effect intended
2 capacity or power to produce a desired effect
3 Power or capacity to produce a desired effect; effectiveness.
4 The quality of being efficacious or effectual; production of, or the capacity of producing, the effect intended or desired; effectiveness.
5 Synonyms Efficiency, etc. (see effectiveness); virtue, force, energy.
6 Ability to produce a desired amount of a desired effect.
We get our data from many different dictionaries across the web:
Wordnik, Wiktionary, Century, American Heritage, Gcide