Synonyms: effective, effectual, efficacious
Definition: producing or capable of producing an intended result or having a striking effect
Usage: an air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation-LewisMumford; effective teaching methods; effective steps toward peace; made an effective entrance; his complaint proved to be effectual in bringing action; an efficacious law
Similar words: hard-hitting, trenchant
Definition: characterized by or full of force and vigor
Usage: a hard-hitting expose; a trenchant argument
Similar words: impelling
Definition: markedly effective as if by emotional pressure
Usage: impelling skill as a teller of tales; an impelling personality
Similar words: impressive, telling
Definition: producing a strong effect
Usage: gave an impressive performance as Othello; a telling gesture
Similar words: rough-and-ready
Definition: crude but effective for the purpose at hand
Synonyms: efficacious
Definition: marked by qualities giving the power to produce an intended effect
Usage: written propaganda is less efficacious than the habits and prejudices...of the readers-Aldous Huxley; the medicine is efficacious in stopping a cough
Similar words: effective
Definition: works well as a means or remedy
Usage: an effective reprimand; a lotion that is effective in cases of prickly heat