Definition of foolproof
: so simple, plain, or reliable as to leave no opportunity for error, misuse, or failure
- a foolproof plan
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Examples of foolproof in a Sentence
DNA fingerprinting gives police a virtually foolproof way to link a suspect to a crime scene.
Recent Examples of foolproof from the Web
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Blood cultures aren't foolproof and can take 24 to 48 hours.
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Even having the staff secretary look at it was not foolproof.
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Only Searing Salmon A crispy seared piece of fish is wonderful, but a nearly foolproof method is slow-roasting.
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Even having the staff secretary look at it was not foolproof.
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Even having the staff secretary look at it was not foolproof.
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This is mainly because both of those things are foolproof.
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Computers crash and files get lost, so storing statements digitally isn’t foolproof.
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Our new one, BA's best lasagna, isn't: just a foolproof ragù, béchamel, and pasta.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'foolproof.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of foolproof
1902
FOOLPROOF Defined for English Language Learners
Definition of foolproof for English Language Learners
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: done, made, or planned so well that nothing can go wrong
FOOLPROOF Defined for Kids
Definition of foolproof for Students
: done, made, or planned so well that nothing can go wrong
- a foolproof recipe
Learn More about foolproof
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See words that rhyme with foolproof Spanish Central: Translation of foolproof Nglish: Translation of foolproof for Spanish speakers
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