surefire
[ shoo r-fahyuh r, shur- ]
/ ˈʃʊərˌfaɪər, ˈʃɜr- /
adjective
sure to work; foolproof: a surefire moneymaking scheme.
Words nearby surefire
sure thing,
sure-enough,
sure-fire,
sure-footed,
sure-handed,
surefire,
surefooted,
surely,
surety,
suretyship,
surf