Select the word that is similar in meaning (SYNONYM) to the word given below
Efficacy
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. Efficiency.
Given Word: Efficacy
Meaning: The ability to produce a desired or intended result; effectiveness.
Options Meaning:
Impotence – lack of power or effectiveness (opposite of efficacy)
Efficiency – ability to achieve maximum productivity with minimum wasted effort; close in meaning
Ineptness – lack of skill or ability (opposite)
Futility – pointlessness or uselessness (opposite)
Correct Answer: Efficiency
Hence, the word similar in meaning to "Efficacy" is "Efficiency".