We found 22 dictionaries with English definitions that include the word efficacious:
Click on the first link on a line below to go directly to a page where "efficacious" is defined.
 General (21 matching dictionaries)
- efficacious: American Heritage Dictionary of the English Language [home, info]
- efficacious: Merriam-Webster's Online Dictionary, 11th Edition [home, info]
- efficacious: Cambridge International Dictionary of English [home, info]
- efficacious: Wiktionary [home, info]
- efficacious: Webster's New World College Dictionary, 4th Ed. [home, info]
- efficacious: The Wordsmyth English Dictionary-Thesaurus [home, info]
- efficacious: Infoplease Dictionary [home, info]
- Efficacious, efficacious: Dictionary.com [home, info]
- efficacious: UltraLingua English Dictionary [home, info]
- Efficacious: Wikipedia, the Free Encyclopedia [home, info]
- Efficacious: Online Plain Text English Dictionary [home, info]
- efficacious: Webster's Revised Unabridged, 1913 Edition [home, info]
- efficacious: Rhymezone [home, info]
- Efficacious: AllWords.com Multi-Lingual Dictionary [home, info]
- efficacious: Webster's 1828 Dictionary [home, info]
- efficacious: Free Dictionary [home, info]
- efficacious: Hutchinson Dictionaries [home, info]
- efficacious: Mnemonic Dictionary [home, info]
- efficacious: WordNet 1.7 Vocabulary Helper [home, info]
- efficacious: LookWAYup Translating Dictionary/Thesaurus [home, info]
- efficacious: Dictionary/thesaurus [home, info]
Medicine (1 matching dictionary)
- efficacious: Medical dictionary [home, info]
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Quick definitions (efficacious)
▸ adjective: marked by qualities giving the power to produce an intended effect ("Written propaganda is less efficacious than the habits and prejudices...of the readers-Aldous Huxley")
▸ adjective: producing or capable of producing an intended result or having a striking effect ("An efficacious law")
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