Definition of Efficacious

1. Adjective. Marked by qualities giving the power to produce an intended effect. "The medicine is efficacious in stopping a cough"

Attributes: Efficaciousness, Efficacy
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"

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]

Efficacious Pictures

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Lexicographical Neighbors of Efficacious

effervescent salts
effervescent sodium phosphate
effervescently
effervesces
effervescible
effervescing
effervescingly
effervescive
effet
effete
effetely
effeteness
effetenesses
efficacies
efficacious (current term)
efficaciously
efficaciousness
efficacities
efficacity
efficacy
efficience
efficiencies
efficiency
efficiency apartment
efficiency engineer
efficiency expert
efficient
efficiently
efficientness

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- ยง 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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