Other crossword clues for answer "FOOLPROOF"FOOLPROOFLike a surefire planInfallibleLike a perfect planAlways effectiveImpervious to incompetenceStupid logician's presentation?GuaranteedInfallible, as a schemeGuaranteed to workSure to workWhat Truman wants the disarmament system to be.Never-failing: Colloq.Safe.Risk-freeLeaving no opportunity for errorGuaranteed against failureUnfailingSurefire