Efficacious
[,efɪ'keɪʃəs]
Definition
(adj.) 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; 'the medicine is efficacious in stopping a cough' .
Checked by Benita--From WordNet
Definition
(n.) Possessing the quality of being effective; productive of, or powerful to produce, the effect intended; as, an efficacious law.
Editor: Pasquale
Synonyms and Synonymous
a. Effectual, effective, powerful, active, operative, efficient, energetic, of adequate power.
Editor: Will
Definition
adj. able to produce the result intended.—adv. Efficā′ciously.—ns. Efficā′ciousness; Efficac′ity; Ef′ficacy virtue: energy.
Inputed by Cornelia
Examples
- The design was efficacious; for I remember that my mother seemed more at ease during the rest of the evening, and that Peggotty observed her less. Charles Dickens. David Copperfield.
- Would it be efficacious? Charlotte Bronte. Shirley.
- Undoubtedly it was as good a thing as you could do; though I question if some other oils would not have been equally efficacious. Thomas Hardy. The Return of the Native.
- A solution of ammonia is nearly equally efficacious in removing the chloride. Frederick C. Bakewell. Great Facts.
- Yellow or green are more efficacious; but blue and violet light produce the most decided and powerful effects. Frederick C. Bakewell. Great Facts.
- I fancy that he had taken steps to make that draught efficacious, and that he quite relied upon your being unconscious. Arthur Conan Doyle. The Memoirs of Sherlock Holmes.
Inputed by Cornelia