Word.ws English Dictionary

inefficaciousness

inefficaciousness noun: lack of efficacy.

Noun

inefficaciousness (uncountable)

  1. Lack of efficacy.

Synonyms of inefficaciousness

Origin of inefficaciousness

From inefficacious + -ness.

Questions about inefficaciousness

What does inefficaciousness mean?
Inefficaciousness means lack of efficacy.
What part of speech is inefficaciousness?
Inefficaciousness is a noun.

Words near inefficaciousness in the dictionary

  1. ineffervescibility
  2. ineffervescible
  3. inefficacies
  4. inefficacious
  5. inefficaciously
  6. inefficaciousness
  7. inefficacity
  8. inefficacy
  9. inefficience
  10. inefficiences
  11. inefficiencies

Source and license

Adapted from Wiktionary: inefficaciousness (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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