Want to say efficacy differently? Here are other words for efficacy and its similar synonyms and opposite words to say in unique way.
Meaning of efficacy
The primary meaning of the word "efficacy" refers to the ability to produce a desired or intended result.
Etymology of efficacy
The word "efficacy" comes from the Latin "efficacia", which is derived from "efficax", meaning "effective", and the suffix "-acy", which forms a noun indicating a state or quality.
The term has been used in English since the 15th century to describe the power or capacity to produce a desired effect.
Synonyms
effectiveness
efficiency
potency
power
strength
capability
capacity
productivity
performance
accomplishment
achievement
success
usefulness
utility
benefit
value
advantage
impact
influence
result
outcome
productivity
capability
competence
skill
expertise
proficiency
aptitude
talent
effectiveness
operativeness
functionality
Definitions
- The power to produce a desired or intended result: the efficacy of a medicine or treatment can be measured by its ability to cure a disease.
- * The degree to which something is successful in producing a desired result: the efficacy of the new marketing strategy was evident in the increased sales.
Usage Examples
- The efficacy of the new vaccine has been proven in numerous clinical trials.
- * The company's marketing strategy has shown high efficacy in increasing brand awareness.
- * The efficacy of the teacher's methods was evident in the students' improved test scores.
Antonyms
ineffectiveness
inefficiency
impotence
powerlessness
weakness
incapability
incapacity
unproductivity
ineptness
incompetence
failure
uselessness
futility
inadequacy
insufficiency
ineffectuality
unavailableness
unfruitfulness
pointlessness