English adjective: effective | |||
1. | effective 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 | effectual, efficacious | ||
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 | ||
2. | effective able to accomplish a purpose; functioning effectively | ||
Samples | People who will do nothing unless they get something out of it for themselves are often highly effective persons.... Effective personnel. An efficient secretary. The efficient cause of the revolution. | ||
Synonyms | efficient | ||
Similar | competent | ||
Antonyms | incompetent | ||
3. | effective works well as a means or remedy | ||
Samples | An effective reprimand. A lotion that is effective in cases of prickly heat. | ||
Similar | efficacious | ||
Antonyms | inefficacious | ||
4. | effective exerting force or influence | ||
Samples | The law is effective immediately. A warranty good for two years. The law is already in effect (or in force). | ||
Synonyms | good, in effect, in force | ||
Similar | operative | ||
Antonyms | inoperative | ||
5. | effective existing in fact; not theoretical; real | ||
Samples | A decline in the effective demand. Confused increased equipment and expenditure with the quantity of effective work done. | ||
Similar | actual, existent | ||
Antonyms | potential, possible | ||
6. | effective ready for service | ||
Samples | The fort was held by about 100 effective soldiers. | ||
Similar | operational | ||
Domain category | armed forces, armed services, military, military machine, war machine | ||
Antonyms | nonoperational, inactive | ||