Crossword clues for Foolproof 4 lettersAnswerClueSUREFoolproofFOOLPROOFLike a surefire planFOOLPROOFCan't-missFOOLPROOFLeaving no opportunity for errorFOOLPROOFGuaranteed against failureFOOLPROOFUnfailingFOOLPROOFSurefireFOOLPROOFInfallibleFOOLPROOFLike a perfect planFOOLPROOFAlways effectiveFOOLPROOFImpervious to incompetenceFOOLPROOFStupid logician's presentation?FOOLPROOFGuaranteedFOOLPROOFInfallible, as a schemeFOOLPROOFGuaranteed to workFOOLPROOFSure to workFOOLPROOFWhat Truman wants the disarmament system to be.FOOLPROOFNever-failing: Colloq.FOOLPROOFSafe.FOOLPROOFRisk-freeMONEYINTHEBANKFoolproof profit producerSUREFIREFoolproofTATINFoolproof Tarte ___ & Rough Puff Pastry (Claire Saffitz recipe)CERTAINFoolproofNOLOSEFoolproof, as a plan