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1. Dictionary

   inefficacious

   /ˌɪnɛfɪˈkeɪʃəs/

   adjective

   • 1. not producing the desired effect: "social conventions honed over thousands of years were suddenly inefficacious"

   Derivatives

   • 1. inefficaciously adverb
   • 2. inefficaciousness noun

   Scrabble Points: 23

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2. www.merriam-webster.com › dictionary › inefficaciousInefficacious Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › inefficacious

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   : lacking the power to produce a desired effect : ineffective. inefficaciously adverb. inefficaciousness noun. Synonyms. counterproductive. feckless. hamstrung. ineffective. ineffectual. inefficient. inexpedient. See all Synonyms & Antonyms in Thesaurus. Examples of inefficacious in a Sentence.

3. www.dictionary.com › browse › inefficaciousINEFFICACIOUS Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › inefficacious

   • Cached

   Inefficacious definition: not able to produce the desired effect; ineffective.. See examples of INEFFICACIOUS used in a sentence.

4. www.vocabulary.com › dictionary › inefficaciousInefficacious - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › inefficacious

   Definitions of. inefficacious. adjective. lacking the power to produce a desired effect. “laws that are inefficacious in stopping crime”. synonyms: ineffective, ineffectual, uneffective. not producing an intended effect. see more.

5. www.collinsdictionary.com › dictionary › englishINEFFICACIOUS definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

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   Jun 11, 2024 · adjective. not able to produce the desired effect; ineffective. Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd. Derived forms. inefficaciously. adverb. inefficaciousness or inefficacity (ˌɪnefɪˈkæsɪti)

6. www.thefreedictionary.com › inefficaciousInefficacious - definition of inefficacious by The Free...

   www.thefreedictionary.com › inefficacious

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   Define inefficacious. inefficacious synonyms, inefficacious pronunciation, inefficacious translation, English dictionary definition of inefficacious. adj. Not capable of producing a desired effect or result; ineffective. in·ef′fi·ca′cious·ly adv. American Heritage® Dictionary of the English Language,...

7. www.merriam-webster.com › thesaurus › inefficaciousINEFFICACIOUS Synonyms: 72 Similar and Opposite Words - ...

   www.merriam-webster.com › thesaurus › inefficacious

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   Synonyms for INEFFICACIOUS: unsuccessful, inefficient, ineffective, counterproductive, inexpedient, ineffectual, worthless, useless; Antonyms of INEFFICACIOUS: effective, efficacious, efficient, effectual, expedient, operant, successful, beneficial.

8. www.merriam-webster.com › dictionary › inefficacyInefficacy Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › inefficacy

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   Mar 25, 2024 · : lack of power to produce a desired effect. Examples of inefficacy in a Sentence.