efficacy Definition
- 1the ability to produce a desired or intended result
- 2the power to bring about change or achieve a particular result
Using efficacy: Examples
Take a moment to familiarize yourself with how "efficacy" can be used in various situations through the following examples!
Example
The efficacy of the new drug has not yet been proven.
Example
The efficacy of the marketing campaign was impressive.
Example
The efficacy of the vaccine is being closely monitored.
Example
The efficacy of the treatment depends on the severity of the illness.
efficacy Synonyms and Antonyms
Synonyms for efficacy
Antonyms for efficacy
Phrases with efficacy
the belief that one's political participation can make a difference in government
Example
The decline in voter turnout suggests a lack of political efficacy among the electorate.
self-efficacy
the belief in one's own ability to succeed in achieving a specific goal or outcome
Example
Individuals with high self-efficacy are more likely to take on challenging tasks and persist in the face of obstacles.
Example
The efficacy rate of the new vaccine is 95%.
Origins of efficacy
from Latin 'efficacia', meaning 'efficacy, efficiency'
Summary: efficacy in Brief
The term 'efficacy' [ˈɛfɪkəsi] refers to the ability to produce a desired or intended result, often in the context of medicine, marketing, or politics. It is exemplified by phrases like 'The efficacy of the new drug has not yet been proven,' and 'The efficacy of the marketing campaign was impressive.' 'Efficacy' extends into phrases like 'political efficacy,' denoting the belief that one's political participation can make a difference in government, and 'self-efficacy,' referring to the belief in one's own ability to succeed.