efficacious synonym

list of synonyms of word efficacious

efficacious (adj)

effective (similar term)
effective (related term)
effectual (related term)
efficacious (related term)
inefficacious (antonym)

efficacious (adj)

effective
effectual
hard-hitting (similar term)
trenchant (similar term)
impelling (similar term)
impressive (similar term)
telling (similar term)
rough-and-ready (similar term)
efficacious (related term)
efficient (related term)
potent (related term)
strong (related term)
stiff (related term)
powerful (related term)
useful (related term)
utile (related term)
ineffective (antonym)

synonym dictionary -