efficacious 1

adjectivedomain: all adj

Princeton WordNet [ver.3.1]

English

Definition

marked by qualities giving the power to produce an intended effect

Examples

1.the medicine is efficacious in stopping a cough
2.written propaganda is less efficacious than the habits and prejudices...of the readers-Aldous Huxley

Antonym

adjective

lacking the power to produce a desired effect

Derivationally related form

noun

capacity or power to produce a desired effect

noun

capacity or power to produce a desired effect

Also see

adjective

producing or capable of producing an intended result or having a striking effect

Attribute

noun

capacity or power to produce a desired effect

Similar_to

adjective

works well as a means or remedy