efficacious
adjective
capable of having the desired result or effect; effective as a means, measure, remedy, etc..
efficaciousness
-
a word derived from
efficacious.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“Given the extraordinary efficaciousness of this vaccine, one can again follow the science and say that it’s very low risk if you’ve been vaccinated,” Kim-Farley said.
From Los Angeles Times ● May 27, 2021
In all directions our habitual causes of action seem to be losing efficaciousness, credit, and control, both with others and even with ourselves.
From Selections from the Prose Works of Matthew Arnold by William Savage Johnson
He denies neither the revealed universality of God's grace, of Christ's redemption, and of the efficaciousness of the Holy Spirit in the means of grace, nor the unsearchable judgments and ways of God's majesty.
From Historical Introductions to the Symbolical Books of the Evangelical Lutheran Church by F. (Friedrich) Bente
This necessity of ceaselessly varying one's language in accordance with the effect produced at the moment of speaking deprives from the outset a prepared and studied harangue of all efficaciousness.
From The Crowd; study of the popular mind by Gustave Le Bon
A friend of Homœopathy, not a physician, desired to test the efficaciousness of this plant.
From New, Old, and Forgotten Remedies: Papers by Many Writers by Edward Pollock Anshutz
