What does efficacious mean?

Definitions for efficaciousˌɛf ɪˈkeɪ ʃəs

Here are all the possible meanings and translations of the word efficacious.

Princeton's WordNet

  1. efficacious(adj)

    marked by qualities giving the power to produce an intended effect

    "written propaganda is less efficacious than the habits and prejudices...of the readers"-Aldous Huxley; "the medicine is efficacious in stopping a cough"

  2. effective, effectual, efficacious(adj)

    producing or capable of producing an intended result or having a striking effect

    "an air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation"-LewisMumford; "effective teaching methods"; "effective steps toward peace"; "made an effective entrance"; "his complaint proved to be effectual in bringing action"; "an efficacious law"


  1. efficacious(Adjective)


  2. Origin: From efficacieux, from efficax, from efficere; see effect.

Webster Dictionary

  1. Efficacious(noun)

    possessing the quality of being effective; productive of, or powerful to produce, the effect intended; as, an efficacious law

Chambers 20th Century Dictionary

  1. Efficacious

    ef-fi-kā′shus, adj. able to produce the result intended.—adv. Efficā′ciously.—ns. Efficā′ciousness; Efficac′ity; Ef′ficacy, virtue: energy. [Fr.,—L. efficax, efficacisefficĕre.]


  1. Chaldean Numerology

    The numerical value of efficacious in Chaldean Numerology is: 1

  2. Pythagorean Numerology

    The numerical value of efficacious in Pythagorean Numerology is: 7

Images & Illustrations of efficacious

  1. efficaciousefficaciousefficacious

Translations for efficacious

From our Multilingual Translation Dictionary

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"efficacious." Definitions.net. STANDS4 LLC, 2017. Web. 12 Dec. 2017. <http://www.definitions.net/definition/efficacious>.

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