A really fast thesaurus... with lots of synonyms.
Foolproof has 3 synonyms. The top synonyms for foolproof are yielding, sure-fire, airtight. Another word for foolproof is yielding. Browse the full list below.
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| Random | DefinitionA common synonym for foolproof is yielding. Other synonyms include sure-fire, airtight.
Foolproof has 3 synonyms listed on Thesaurasize.
(adj): for a device: designed to be proof against misuse or error; fail-safe; for an idea or plan: infallible, or bulletproof
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