What is another word for efficacious?

Synonyms for efficacious
ˌɛf ɪˈkeɪ ʃəsef·fi·ca·cious

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?

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. Julie Strickland:

    The more we can get out there to show that it’s safe and efficacious and really well tolerated and well liked among young adults, the better.

  2. 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.

  3. Jon Abramson:

    The number one main recommendation is that this vaccine is efficacious and safe but should be only used in populations where the disease incidence in the population is at least 50 percent, so it shouldn't be used in areas with what we would call low transmission.

  4. 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.

  5. Nora Volkow:

    One of the things is, we don't have any evidence-based medication that has proven to be efficacious for the treatment of cocaine addiction, so we currently have no medicine to intervene, and it can be a very severe addiction and actually quite dangerous.


Translations for efficacious

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