What is another word for efficacious?

Synonyms for efficacious
ˌɛf ɪˈkeɪ ʃəs

This thesaurus page is about all possible synonyms, equivalent, same meaning and similar words for the term efficacious.

Princeton's WordNet

  1. efficaciousadjective

    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"

    Synonyms:
    effectual, effective

    Antonyms:
    inefficacious

  2. effective, effectual, efficaciousadjective

    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"

    Synonyms:
    sound, effective, in effect(p), efficient, effectual, legal, in force(p), good

    Antonyms:
    inefficacious

Dictionary of English Synonymes

  1. efficaciousadjective

    Synonyms:
    effectual, effective, powerful, active, operative, efficient, energetic, of adequate power

Synonyms, Antonyms & Associated Words

  1. efficaciousadjective

    Synonyms:
    potent, effectual, effective, productive

    Antonyms:
    inefficacious

PPDB, the paraphrase database

  1. List of paraphrases for "efficacious":

    effective, efficient

How to pronounce efficacious?

Alex
US English
Daniel
British
Karen
Australian
Veena
Indian

How to say efficacious in sign language?

Words popularity by usage frequency

rankingword
#155good
#546legal
#803sound
#1068effective
#3315efficient
#54598efficacious
#70091effectual

How to use efficacious in a sentence?

  1. Gregory Poland:

    This is important, but it has to be done in a way that reassures scientists and the public that these (vaccines) are not only efficacious, but safe.

  2. Carolyn Lam Su Ping:

    If you have a mood or anxiety disorder, many excellent treatments are available; the most efficacious is some form of cognitive-behavior therapy with or without medication.

  3. Anthony Fauci:

    As we've said many times, and happy to reiterated right now, we have three highly efficacious vaccines with a very good safety profile, each preventing hospitalizations and deaths. That's point number one.

  4. Don Sodora:

    It's still being tested, merck is still trying to figure out how efficacious it is, but it can really provide an opportunity where you can start protecting people.

  5. Salim Abdool Karim:

    We would start by vaccinating about 100,000 individuals in the first step. We would look at the hospitalization rates once we've done those vaccinations. And if we find that the hospitalization rates are below the threshold -- that we are looking at -- then we can be confident that the vaccine is efficacious... and if so, we can then proceed to continuing the rollout, if we find that the hospitalizations are substantial -- more than we anticipated -- then we would have to stop, take stock of where we are and perhaps switch to other vaccines.

Images & Illustrations of efficacious

  1. efficacious
    efficacious
    efficacious
    efficacious
    efficacious

Translations for efficacious

From our Multilingual Translation Dictionary

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Translation

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"efficacious." Synonyms.com. STANDS4 LLC, 2021. Web. 23 Jun 2021. <https://www.synonyms.com/synonym/efficacious>.

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    An antonym for "disparage"
    • A. belittle
    • B. minimize
    • C. blandish
    • D. diminish

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