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Definition of surefire

surefire

/ˈʃʊərˌfaɪ.ər/
sure · fire
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surefire Lexical Profile

surefire Game Scores & Validity

• adjective

1

Certain to succeed or yield the expected result; unfailing or dependable.

Example

"Consistent practice is a surefire way to master a new musical instrument."

Synonyms
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Antonyms
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• Nearby Words

surat
surcharge
sure
surefire
surefooted
surefootedly
surefootedness

Word Origin & Etymology

Coined in the early 17th century from 'sure' and 'fire', originally describing early flintlock firearms that were reliable and guaranteed to discharge rather than misfire.

Cite this Entry

Wordmom. (2026). Definition of Surefire. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/surefire
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