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Efficacy vs Inefficaciousness - What's the difference?

efficacy | inefficaciousness |

As nouns the difference between efficacy and inefficaciousness

is that efficacy is (uncountable) ability to produce a desired amount of a desired effect while inefficaciousness is lack of efficacy.

efficacy

English

Noun

(-)
  • (uncountable) Ability to produce a desired amount of a desired effect.

    • Synonyms

    * efficacity

    Related terms

    * effect * effective * effectiveness * effectivity * effector * effectual * effectuate * efficacious * efficacity * efficiency * efficient

    External links

    * *

    inefficaciousness

    English

    Noun

    (-)
  • Lack of efficacy.
    • (Webster 1913)