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surefire

American  
[shoor-fahyuhr, shur-] / ˈʃʊərˌfaɪər, ˈʃɜr- /

adjective

  1. sure to work; foolproof.

    a surefire moneymaking scheme.


Etymology

Origin of surefire

First recorded in 1915–20; sure + fire

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A surefire sign of a sports star who wants to achieve true greatness is the ability to recalibrate, realign and reach their next goal.

From BBC • Apr. 13, 2026

Luring in the best players is a surefire way to win on the field, and those efforts can compound over time.

From MarketWatch • Apr. 7, 2026

Nor was it the sort of night to convince you of UCLA’s chances as a surefire conference contender.

From Los Angeles Times • Mar. 12, 2026

That way, you don’t have to withdraw money from a declining portfolio, a surefire way to deplete your savings quicker.

From Barron's • Mar. 6, 2026

He had already come up with a surefire winning strategy, one that required not just secrecy but lies.

From "Boots on the Ground: America's War in Vietnam" by Elizabeth Partridge