Visual Synonyms

Synonyms and Antonyms of inefficacious

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antonym (antonym of inefficacious)

  • (adj.all)
    marked by qualities giving the power to produce an intended effect (adj.all)

also (also)

attribute (inefficacious is an attribute of ....)

derivation (.... is derived from inefficacious)

antonym also attribute derivation efficacious ineffective ineffectual uneffective efficaciousness efficacy inefficaciousness inefficacy

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