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Meaning of word inefficacious from English dictionary with examples, synonyms and antonyms.

inefficacious   adjective

Meaning : Lacking the power to produce a desired effect.

Example : Laws that are inefficacious in stopping crime.

Marked by qualities giving the power to produce an intended effect.

Written propaganda is less efficacious than the habits and prejudices...of the readers.
The medicine is efficacious in stopping a cough.
efficacious