Select the word that is similar in meaning (SYNONYM) to the word given below
Efficacy
Answer & explanation
Correct answer: option 2
The word that is most similar in meaning to "efficacy" is Option 2: efficiency.
- Efficacy means "the ability to produce a desired effect."
- Efficiency means "the ability to do something well or productively, without wasting time or resources."
Both words suggest the ability to achieve a desired outcome.
The other options are not synonyms of "efficacy."
- Impotence means "the inability to achieve a desired effect."
- Ineptness means "lack of skill or ability."
- Futility means "the quality of being useless or pointless."