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- DictionaryFool·proof/ˈfo͞olˌpro͞of/
adjective
- 1. incapable of going wrong or being misused: "a foolproof security system"
Foolproof means so simple, plain, or reliable as to leave no opportunity for error, misuse, or failure. See examples of foolproof in a sentence, word history, synonyms, and related words.
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Foolproof means so simple and easy to understand that it is unable to go wrong or be used wrongly. Learn more about this adjective, its synonyms, antonyms, and usage in sentences from the Cambridge English Corpus.
Foolproof means so simple and easy to understand that it is unable to go wrong or be used wrongly. Learn more about this adjective, its synonyms, antonyms, and usage in sentences from various sources.
Foolproof means involving no risk or harm, even when tampered with. It is an Americanism dating back to 1900–05 and derived from fool and -proof. See how to use it in sentences and related words.
When something is bound to work out, you can call it foolproof. Your foolproof plan for having a great summer might involve spending lots of time at the beach.
Foolproof means something that is so well designed or easy to use that it cannot go wrong or be used wrongly. Learn the synonyms, pronunciation, collocations, and usage of foolproof with examples from The Guardian and other sources.
Learn the meaning, pronunciation and usage of the adjective foolproof, which means very well designed and easy to use so that it cannot fail and you cannot use it wrongly. See examples, synonyms and related topics.
