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EFFICACIOUS
| Pronunciation (US): |  | (GB): | |
I. (adjective)
Sense 1
Meaning:
Producing or capable of producing an intended result or having a striking effect
Example:
an efficacious law
Synonyms:
effective; effectual; efficacious
Classified under:
Similar:
hard-hitting; trenchant (characterized by or full of force and vigor)
impelling (markedly effective as if by emotional pressure)
impressive; telling (producing a strong effect)
rough-and-ready (crude but effective for the purpose at hand)
Also:
efficacious (marked by qualities giving the power to produce an intended effect)
efficient (being effective without wasting time or effort or expense)
potent; stiff; strong (having a strong physiological or chemical effect)
powerful (having great power or force or potency or effect)
useful; utile (being of use or service)
Attribute:
effectiveness; effectivity; effectuality; effectualness (power to be effective; the quality of being able to bring about an effect)
Derivation:
efficaciousness; efficacy (capacity or power to produce a desired effect)
Sense 2
Meaning:
Marked by qualities giving the power to produce an intended effect
Example:
the medicine is efficacious in stopping a cough
Classified under:
Similar:
effective (works well as a means or remedy)
Also:
effective; effectual; efficacious (producing or capable of producing an intended result or having a striking effect)
Attribute:
efficaciousness; efficacy (capacity or power to produce a desired effect)
Antonym:
inefficacious (lacking the power to produce a desired effect)
Derivation:
efficaciousness; efficacy (capacity or power to produce a desired effect)
Context examples:
His naked fangs and writhing lips were uniformly efficacious, rarely failing to send a bellowing on-rushing dog back on its haunches.
(White Fang, by Jack London)
The design was efficacious; for I remember that my mother seemed more at ease during the rest of the evening, and that Peggotty observed her less.
(David Copperfield, by Charles Dickens)
Constitutive activation and dysregulated signaling of the PI3K/Akt/p70S6K pathway are frequently associated with tumorigenesis of many tumor types; targeting multiple kinases in this pathway is more efficacious than targeting a single kinase.
(p70S6K/Akt Inhibitor MSC2363318A, NCI Thesaurus)
