Synonyms for inefficacious
in·ef·fi·ca·cious

WiktionaryRate these synonyms:0.0 / 0 votes

1. inefficaciousadjective

   Synonyms:
   ineffective

2. inefficaciousadjective

   Incapable of having the intended consequence.

   Synonyms:
   ineffective

3. inefficaciousadjective

   Not effective.

   Synonyms:
   ineffective

Princeton's WordNetRate these antonyms:0.0 / 0 votes

1. inefficaciousadjective

   lacking the power to produce a desired effect

   "laws that are inefficacious in stopping crime"

   Antonyms:
   efficacious, effective

Dictionary of English SynonymesRate these synonyms:0.0 / 0 votes

1. inefficaciousnoun

   Synonyms:
   INEFFECTUAL, ineffective, unavailing

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How to use inefficacious in a sentence?

1. Shayan Das:

   Success to him was to relish the failure of all the inefficacious attempts that altered forms (in the shapes of disheartening remarks, abominations, taunts, agitation, maladies and envious faces) faster than seasons but couldn’t resist him moving.