English adjective: efficacious | |||
1. | efficacious marked by qualities giving the power to produce an intended effect | ||
Samples | Written propaganda is less efficacious than the habits and prejudices...of the readers. The medicine is efficacious in stopping a cough. | ||
Similar | effective | ||
See also | effective, effectual, efficacious | ||
Attribute | efficaciousness, efficacy | ||
Antonyms | inefficacious | ||
2. | efficacious producing or capable of producing an intended result or having a striking effect | ||
Samples | An air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation. Effective teaching methods. Effective steps toward peace. Made an effective entrance. His complaint proved to be effectual in bringing action. An efficacious law. | ||
Synonyms | effective, effectual | ||
Similar | hard-hitting, impelling, impressive, rough-and-ready, telling, trenchant | ||
See also | efficacious, efficient, potent, powerful, stiff, strong, useful, utile | ||
Attribute | effectiveness, effectivity, effectuality, effectualness | ||
Antonyms | ineffective, ineffectual, uneffective | ||