INEFFICACIOUS


Meaning of INEFFICACIOUS in English

(|)in, ən+ adjective

Etymology: in- (I) + efficacious

: not efficacious : lacking the power to produce a desired effect : inadequate

• in·efficaciously “+ adverb

• in·efficaciousness “+ noun

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.