Vocabulary Builder

Vocabulary Builder

    Improve Your Writing

  • Boost your vocabulary
  • See words in the context of real sentences
  • Learn by association and by definition
  • Master a new lexicon!

Get Started Below

Vocabulary Word

Word: efficacy

Definition: power to produce desired effect; ADJ. efficacious: effectual


Sentences Containing 'efficacy'

said Mr. Crunches looking about, as if he rather expected to see the loaf disappear under the efficacy of his wife's petitions.
The officiating undertakers made some protest against these changes in the ceremonies; but, the river being alarmingly near, and several voices remarking on the efficacy of cold immersion in bringing refractory members of the profession to reason, the protest was faint and brief.
The devoutest person could have rendered no greater homage to the efficacy of an honest prayer than he did in this distrust of his wife.
I wonder who first discovered the efficacy of poetry in driving away love!''
A very interesting experiment for the testing of the efficacy of non conductors may be easily performed.
``I have confidence in the remedy I propose, and only ask you to permit me to assure you of its efficacy.''
The third, those in which the efficacy of industry is either limited or uncertain.
These circumstances, as they are altogether independent of domestic industry, so they necessarily render the efficacy of its efforts more or less uncertain.
In multiplying this sort of rude produce, therefore, the efficacy of human industry is not only limited, but uncertain.
The plenty and cheapness of good land are such powerful causes of prosperity, that the very worst government is scarce capable of checking altogether the efficacy of their operation.
What fear is there that thy dogmata, or philosophical resolutions and conclusions, should become dead in thee, and lose their proper power and efficacy to make thee live happy, as long as those proper and correlative fancies, and representations of things on which they mutually depend (which continually to stir up and revive is in thy power,) are still kept fresh and alive?
To stir up a man to the contempt of death this among other things, is of good power and efficacy, that even they who esteemed pleasure to be happiness, and pain misery, did nevertheless many of them contemn death as much as any.
After remarking that negroes and mulattoes enjoy an immunity from certain tropical diseases, he observes, firstly, that all animals tend to vary in some degree, and, secondly, that agriculturists improve their domesticated animals by selection; and then, he adds, but what is done in this latter case "by art, seems to be done with equal efficacy, though more slowly, by nature, in the formation of varieties of mankind, fitted for the country which they inhabit.
Now, I say, is the time when the virtue that is in thee is ripe, and endowed with efficacy to work the good that is looked for from thee."
In like manner, it is not any energy in the will that produces local motion in our members: It is God himself, who is pleased to second our will, in itself impotent, and to command that motion which we erroneously attribute to our own power and efficacy.
DES CARTES insinuated that doctrine of the universal and sole efficacy of the Deity, without insisting on it.
It cannot reasonably be supposed, that those remote considerations, which are found of so little efficacy with regard to one, will have a more powerful influence with regard to the other.

More Vocab Words

::: lumber - move heavily or clumsily; Ex. The bear lumbered through the woods; N: timber
::: prototype - original work used as a model by others
::: fortitude - bravery; courage; strength of mind
::: volatile - changeable; of a quickly changing nature (as of temper); mercurial; tending to violence; evaporating rapidly; Ex. volatile character/situation in the street
::: disparity - difference; condition of inequality; OP. parity
::: scurry - move hastily; hurry; move briskly
::: skiff - small light sailboat or rowboat
::: Bacchanalia - the ancient Roman festival in honor of Bacchus
::: apotheosis - elevation to godhood; an ideal example of something
::: celerity - speed; rapidity