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Definition of Efficacious
1. Adjective. Marked by qualities giving the power to produce an intended effect. "The medicine is efficacious in stopping a cough"
Also: Effective, Effectual
Similar to: Effective
Derivative terms: Efficaciousness, Efficacy
Antonyms: Inefficacious
2. Adjective. Producing or capable of producing an intended result or having a striking effect. "An efficacious law"
Attributes: Effectiveness, Effectivity, Effectuality, Effectualness
Similar to: Hard-hitting, Trenchant, Impelling, Impressive, Telling, Rough-and-ready
Also: Efficient, Potent, Stiff, Strong, Powerful, Useful, Utile
Derivative terms: Effect, Effectiveness, Effectivity, Effectuality, Effectualness, Efficaciousness, Efficacy
Antonyms: Ineffective
Definition of Efficacious
1. a. Possessing the quality of being effective; productive of, or powerful to produce, the effect intended; as, an efficacious law.
Definition of Efficacious
1. Adjective. effective ¹
¹ Source: wiktionary.com
Definition of Efficacious
1. [adj]
Lexicographical Neighbors of Efficacious
Literary usage of Efficacious
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Works of President Edwards by Jonathan Edwards (1844)
"efficacious GRACE. CONCERNING efficacious GRACE- § 1. IT is manifest that the
Scripture supposes, that if ever men are turned from sin, ..."
2. Matthew Paris's English History: From the Year 1235 to 1273 by Matthew Paris, William Rishanger (1852)
"But we will willingly help our lord and patron in efficacious and indefatigable
prayers, charities, and other works of piety. And it is undoubtedly to be ..."
3. Notes and Queries by Martim de Albuquerque (1860)
"efficacious that the captives were miraculously disencumbered of their fetters,
.... efficacious ..."
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