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efficacious
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  • You'll find it most efficacious.  (source)
  • Indeed, all the treatments the doctors had tentatively employed, without definite results, now seemed almost uniformly efficacious.  (source)
  • over the years it turned out ... that that most efficacious medicine for whatever ailed him would be cash or credit, the larger the dosage the better.  (source)
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Show 10 more with 3 word variations
  • ...yet she had never found it less efficacious.  (source)
    efficacious = effective in producing an intended effect
  • It may have been these constant showers of snuff which gave his ancient priestly garments their green faded look for the red handkerchief, blackened, as it always was, with the snuff-stains of a week, with which he tried to brush away the fallen grains, was quite inefficacious.†  (source)
    inefficacious = not effective in producing an intended effect
    standard prefix: The prefix "in-" in inefficacious means not and reverses the meaning of efficacious. This is the same pattern you see in words like invisible, incomplete, and insecure.
  • They are likewise interested in the maintenance of a powerful fleet by the Union, to protect them efficaciously.†  (source)
    efficaciously = in a manner that is effective in producing an intended effect
  • His naked fangs and writhing lips were uniformly efficacious, rarely failing to send a bellowing on-rushing dog back on its haunches.  (source)
    efficacious = effective in producing an intended effect
  • The raw bacon which clumsy Molly spares from her own scanty store that she may carry it to her neighbour's child to "stop the fits," may be a piteously inefficacious remedy; but the generous stirring of neighbourly kindness that prompted the deed has a beneficent radiation that is not lost.†  (source)
    inefficacious = not effective in producing an intended effect
  • I am persuaded, on the contrary, that in this case the collective strength of the citizens will always conduce more efficaciously to the public welfare than the authority of the Government.†  (source)
    efficaciously = in a manner that is effective in producing an intended effect
  • He would weep for hours together, and I verily believe that to the very end this spoiled child of life thought his weak tears in some way efficacious.  (source)
    efficacious = effective in producing an intended effect
  • It is my belief, however, that had I attempted a different order of composition, my faculties would not have been found so pointless and inefficacious.†  (source)
    inefficacious = not effective in producing an intended effect
  • Universally that person's acumen is esteemed very little perceptive concerning whatsoever matters are being held as most profitably by mortals with sapience endowed to be studied who is ignorant of that which the most in doctrine erudite and certainly by reason of that in them high mind's ornament deserving of veneration constantly maintain when by general consent they affirm that other circumstances being equal by no exterior splendour is the prosperity of a nation more efficaciously asserted than by the measure of how far forward may have progressed the tribute of its solicitude for that proliferent continuance which of evils the original if it be absent when fortunately present constitute†  (source)
    efficaciously = in a manner that is effective in producing an intended effect
  • I saw that we must apply some more efficacious remedy, and sent the boys for a chest of signal-rockets we had brought from the wreck.  (source)
    efficacious = effective in producing an intended effect
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