Efficacy synonyms
Category:
The property of being effective, of achieving results.
The state of being productive.
ability (related)
(Countable) A skill or competence in doing; mental power; talent; aptitude. [First attested in the early 17 th century.]
efficiency (related)
The ratio of the energy delivered by a machine to the energy supplied for its operation.
The quality or condition of being potent.
inefficacy (antonym)
The condition of being ineffective
uselessness (antonym)
The quality of being useless
failure (antonym)
The condition or fact of being insufficient or falling short:
inefficiency (antonym)
An inefficient act, design, or procedure:
unproductiveness (antonym)
The characteristic of being unproductive; lack of productiveness.
(Cinematography) An illusion produced by technical means (as in "special effect")
The state or condition of being effectual.
The state or condition of being effectual.
Quality of being efficacious.
The power to affect, control or manipulate something or someone; the ability to change the development of fluctuating things such as conduct, thoughts or decisions.
affect (related)
(Psychol.) An emotion or feeling attached to an idea, object, etc.
Find another word for efficacy. In this page you can discover 19 synonyms, antonyms, idiomatic expressions, and related words for efficacy, like: effectiveness, productiveness, ability, efficiency, advantage, potency, impotency, inefficacy, uselessness, weakness and failure.