efficacious — successful in producing a desired or intended result; effective
Part of speech: ADJECTIVE
Definition: successful in producing a desired or intended result; effective
Pronunciation (IPA): /ˌefɪˈkeɪʃəs/
Korean meaning: 효과적인, 효험이 있는
Korean pronunciation: 에-피-케이-셔스 (강세: 케이)
Example Sentences
- My grandmother's chicken soup is surprisingly efficacious against hangovers.
- The study showed that the new vaccine is highly efficacious in preventing infection.
- His efficacious study method helped him ace the exam without staying up all night.
efficacious
ADJECTIVE//ˌefɪˈkeɪʃəs//
successful in producing a desired or intended result; effective

Medicine that really works
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In capacious labs, tenacious work proves efficacious!
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Start for Free🎤Pronunciation
🌳Etymology
Origin
From Latin 'efficacious' derived from 'efficax' meaning 'effective' or 'powerful,' which comes from 'efficere' meaning 'to accomplish' or 'to work out,' composed of 'ex-' (out) and 'facere' (to make or do).
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“My grandmother's chicken soup is surprisingly efficacious against hangovers.”
“The study showed that the new vaccine is highly efficacious in preventing infection.”
“His efficacious study method helped him ace the exam without staying up all night.”
“Coffee is efficacious in turning zombies back into humans every morning.”
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