INEFFICACY

Pronunciation (US):

(GB):

 Dictionary entry overview: What does inefficacy mean? 

• INEFFICACY (noun)
  The noun INEFFICACY has 1 sense:

1. a lack of efficacy

  Familiarity information: INEFFICACY used as a noun is very rare.

 Dictionary entry details 

• INEFFICACY (noun)

Sense 1

Meaning:

A lack of efficacy

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

inefficaciousness; inefficacy

Hypernyms ("inefficacy" is a kind of...):

ineffectiveness; ineffectuality; ineffectualness (lacking the power to be effective)

Antonym:

efficacy (capacity or power to produce a desired effect)