Library / English Dictionary

INEFFICACIOUS

Pronunciation (US):

(GB):

 I. (adjective) 

Sense 1

Meaning:

Lacking the power to produce a desired effect

Example:

laws that are inefficacious in stopping crime

Classified under:

Adjectives

Also:

ineffective; ineffectual; uneffective (not producing an intended effect)

Attribute:

efficaciousness; efficacy (capacity or power to produce a desired effect)

Antonym:

efficacious (marked by qualities giving the power to produce an intended effect)

Derivation:

inefficaciousness (a lack of efficacy)

Credits