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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.

See Examples For:

The only surefire way to save money is to put it aside before it gets spent.

From MarketWatch ● Sep. 15, 2026

It’s a surefire way to essentially privatize beaches.

From Los Angeles Times ● Aug. 29, 2026

Still, in a recent YouTube video, the woman, who goes by “Rabbit Habbit” online, lamented leaving what’s likely to be years of surefire six-figure bonuses.

From The Wall Street Journal ● Aug. 10, 2026

Rarely will you encounter a surefire "tell" that will unmask an AI fake.

From BBC ● Jul. 11, 2026

The right answer would be “maybe,” but David only wants surefire answers: “yes” and “no” and “Wednesday at two o’clock,” but never “maybe” or “it depends” or worst of all, “I don’t know.”

From "Rules" by Cynthia Lord

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