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

Princeton's WordNetRate this definition:0.0 / 0 votes

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"

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"

WiktionaryRate this definition:5.0 / 1 vote

1. efficaciousadjective

   effective

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

Samuel Johnson's DictionaryRate this definition:0.0 / 0 votes

1. EFFICACIOUSadjective

   Productive of effects; powerful to produce the consequence intended.

   Etymology: efficax, Latin.

   A glowing drop with hollow’d steel
   He takes, and by one efficacious breath
   Dilates to cube or square. Phillips.

WikipediaRate this definition:0.0 / 0 votes

1. efficacious

   Efficacy is the ability to perform a task to a satisfactory or expected degree. The word comes from the same roots as effectiveness, and it has often been used synonymously, although in pharmacology a distinction is now often made between efficacy and effectiveness.The word efficacy is used in pharmacology and medicine to refer both to the maximum response achievable from a pharmaceutical drug in research settings, and to the capacity for sufficient therapeutic effect or beneficial change in clinical settings.

ChatGPTRate this definition:0.0 / 0 votes

1. efficacious

   Efficacious refers to something having the ability or power to produce a desired effect or result. It's often used to describe interventions, treatments, or actions that are effective and successful in achieving their desired outcome.

Webster DictionaryRate this definition:5.0 / 2 votes

1. Efficaciousnoun

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

Chambers 20th Century DictionaryRate this definition:5.0 / 1 vote

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, efficacis—efficĕre.]

How to pronounce efficacious?

1. Alex

   US English

   David

   US English

   Mark

   US English

   Daniel

   British

   Libby

   British

   Mia

   British

   Karen

   Australian

   Hayley

   Australian

   Natasha

   Australian

   Veena

   Indian

   Priya

   Indian

   Neerja

   Indian

   Zira

   US English

   Oliver

   British

   Wendy

   British

   Fred

   US English

   Tessa

   South African

How to say efficacious in sign language?

Numerology

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

Examples of efficacious in a Sentence

1. 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.

2. 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.

3. Clarence Thomas:

   There's been some talk... that the vaccinations are efficacious in preventing some degree of infection to others.

4. 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.

5. 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.

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References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=efficacious
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Efficacious
3. ^ Samuel Johnson's Dictionary
   https://johnsonsdictionaryonline.com/views/search.php?term=efficacious
4. ^ Wikipedia
   https://en.wikipedia.org/wiki/Efficacious
5. ^ ChatGPT
   https://chat.openai.com
6. ^ Webster Dictionary
   https://www.merriam-webster.com/dictionary/efficacious
7. ^ Chambers 20th Century Dictionary
   https://www.gutenberg.org/files/37683/37683-h/37683-h.htm#:~:text=efficacious