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Showing words for FOOLPROOF using the English dictionary
9 Letter Words for Foolproof
5 Letter Words for Foolproof
4 Letter Words for Foolproof
3 Letter Words for Foolproof
Definitions for Foolproof
[1] involving no risk or harm, even when tampered with.
[2] never-failing: a foolproof method.
[3] proof against failure; infallible a foolproof idea
[4] (esp of machines) proof against human misuse, error, etc
Words related to Foolproof
flawless, reliable, sure-fire, unassailable, perfect, tested, tried, guaranteed, certain, dependable, fail-safe, faultless, safe, sure, unerring, unfailing, idiot-proof
Words nearby Foolproof
fool's-parsley, foolery, foolfish, foolhardy, foolish, foolproof, fools rush in where angels fear to tread, foolscap, foosball, foot, foot brake
Origin of Foolproof
An Americanism dating back to 1900–05; fool1 + -proof
Synonyms for Foolproof
flawless, reliable, sure-fire, unassailable, goofproof, guaranteed, perfect, tested, tried, certain, dependable, fail-safe, faultless, idiot-proof, never-failing, safe, sure, unerring, unfailing