Crossword clues for Sure, why not:SUREAbsolutely!SUREUh-huhSUREConvincedSUREHaving nary a doubtSURELYWithout doubtSUREWhy the hell notSURECinchedSUREOkaySURESuffering no doubtSURECasual affirmativeSUREBrand with a "Raise your hand" ad campaignSUREWhy not?SURENatchSURELet's do itSUREWindows or Mac operatorSUREI guess ...SUREConfidentSURECompletely convincedSUREDoubtlessSURELY___ you jest!SURETrustworthySUREYou betcha!SUREArrid competitorSURECertainSURECockySURE__-footedSUREOf courseSUREBy all means!SUREUnfailingSUREDeodorant brandSUREOkeydokeySUREFine by me ...SUREGlad to!SURE___ as shootin'!SUREDefiniteSUREOkey-dokeSUREYou bet!SURESee 19-AcrossSUREWithout a doubtSUREPositiveSURESign me upSUREYeah, why not?SURENo prob!SUREFree of doubtSURECertainly!SURENo problemSUREConfident (Tribute #6)SUREYeah, right!SUREDismissive comment, when said a certain waySUREHaving no doubts