definitions
  • synonyms

surefire

[ shoo r-fahyuh r, shur- ]
/ ˈʃʊərˌfaɪər, ˈʃɜr- /
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SEE MORE SYNONYMS FOR surefire ON THESAURUS.COM

adjective

sure to work; foolproof: a surefire moneymaking scheme.

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RELATED WORDS

foolproof, certain, excellent, fail-safe, good, infallible, reliable

Nearby words

sure thing, sure-enough, sure-fire, sure-footed, sure-handed, surefire, surefooted, surely, surety, suretyship, surf

Origin of surefire

First recorded in 1915–20; sure + fire
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sure-fire

British Dictionary definitions for sure-fire

sure-fire


adjective

(usually prenominal) informal certain to succeed or meet expectations; assured
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for sure-fire

surefire


adj.

also sure-fire, by 1864, American English, from sure + fire (v.). Originally of rifles.

Online Etymology Dictionary, © 2010 Douglas Harper