Transcription
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- US Pronunciation
- US IPA
- UK Pronunciation
- UK IPA
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- [ef-i-key-shuh s]
- /ˌɛf ɪˈkeɪ ʃəs/
- /ˌef.ɪˈkeɪ.ʃəs/
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- US Pronunciation
- US IPA
-
- [ef-i-key-shuh s]
- /ˌɛf ɪˈkeɪ ʃəs/
Definitions of efficacious word
- adjective efficacious capable of having the desired result or effect; effective as a means, measure, remedy, etc.: The medicine is efficacious in stopping a cough. 1
- noun efficacious (typically of something inanimate or abstract) successful in producing a desired or intended result; effective. 1
- abbreviation EFFICACIOUS effective 1
- adjective efficacious Something that is efficacious is effective. 0
- adjective efficacious capable of or successful in producing an intended result; effective as a means, remedy, etc 0
- adjective efficacious producing or capable of producing the desired effect; having the intended result; effective 0
Information block about the term
Origin of efficacious
First appearance:
before 1520 One of the 28% oldest English words
1520-30; < Latin efficāci- (stem of efficāx) effectual. See efficient, -acious
Historical Comparancy
Parts of speech for Efficacious
noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
efficacious popularity
A common word. It’s meaning is known to most children of preschool age. About 74% of English native speakers know the meaning and use the word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".
efficacious usage trend in Literature
This diagram is provided by Google Ngram ViewerSynonyms for efficacious
adj efficacious
- effectual — producing or capable of producing an intended effect; adequate.
- effective — adequate to accomplish a purpose; producing the intended or expected result: effective teaching methods; effective steps toward peace.
- active — Someone who is active moves around a lot or does a lot of things.
- adequate — If something is adequate, there is enough of it or it is good enough to be used or accepted.
- capable — If a person or thing is capable of doing something, they have the ability to do it.
adjective efficacious
- efficient — (esp. of a system or machine) Achieving maximum productivity with minimum wasted effort or expense.
- worthwhile — such as to repay one's time, attention, interest, work, trouble, etc.: a worthwhile book.
- valuable — having considerable monetary worth; costing or bringing a high price: a valuable painting; a valuable crop.
- productive — having the power of producing; generative; creative: a productive effort.
Antonyms for efficacious
adj efficacious
- impotent — not potent; lacking power or ability.
- incapable — not capable.
- unproductive — having the power of producing; generative; creative: a productive effort.
- useless — of no use; not serving the purpose or any purpose; unavailing or futile: It is useless to reason with him.
- inefficacious — not able to produce the desired effect; ineffective.
Top questions with efficacious
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See also
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