efficacious
adjectiveHow to pronounce efficacious:
Definition of efficacious:
- efficacious (adjective):
- producing the intended result
- having the power to produce a desired effect
- marked by qualities giving the power to produce an intended effect.
Synonyms for efficacious:
serviceablecompetentcapableproductivepowerfulusefulactiveefficientpotentsuccessfulShow 5 more
Antonyms for efficacious:
anticlimacticunableflimsyunavailingbadunbelievableinefficientill-fatedlimitedimplausibleShow 15 more
Other 5-syllable words like efficacious
Here are some other common words that have 5 syllables, like efficacious does.
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