 efficacious |
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| 1. | [ adjective ] marked by qualities giving the power to produce an intended effect | |
| Examples: | "written propaganda is less efficacious than the habits and prejudices...of the readers"-Aldous Huxley "the medicine is efficacious in stopping a cough" |
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| Related terms: | inefficacious effective effective efficacy | |
| 2. | [ adjective ] producing or capable of producing an intended result or having a striking effect | |
| Synonyms: | effective effectual | |
| Examples: | "an air-cooled motor was more effective than a witch's broomstick for rapid transportation"-LewisMumford "effective teaching methods" "effective steps toward peace" |
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| Related terms: | ineffective impelling hard-hitting hard-hitting rough-and-ready impressive powerful useful efficient potent effectiveness | |
| Similar spelling: |
efficaciously efficacy |
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