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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Consumer Reports tested clothes treated with the insecticide permethrin and found that none of them was foolproof, plus the EPA classifies permethrin as a likely human carcinogen.
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The Centers for Disease Control and Prevention has a list of preventive measures to avoid a tick bite but nothing is foolproof.
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There's a startup that wants to sell you gasoline and bring it to your home, just like the foolproof plan from It's Always Sunny in Philadelphia.
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During a recent family vacation to Edisto Beach, Josh Rinder of Aiken shared a one-minute instructional video on Facebook for his foolproof shark detection method.
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The Revo is as foolproof as a belay device can get.
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Photographer: Matt Martin ; Prop Stylist: Mariana Vera for Halley Resources GQ’s Best Stuff has your foolproof formula for acing reception-ready style.
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This method is foolproof enough to be flexible, depending on the occasion.
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Is extrapolating from a few hours' worth of press briefings and demos to a cohesive analysis of the prospects of gaming at large isn't a foolproof venture?
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
Seen and Heard
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