adj
foolproof
FOOL-proof
Foolproof (adj) means Designed so simply or solidly that it can't go wrong, even if misused. Example: “She swore by her foolproof recipe for chocolate cake.”
adj
1
Designed so simply or solidly that it can't go wrong, even if misused.
"She swore by her foolproof recipe for chocolate cake."
"The new lock is meant to be foolproof against tampering."
How to use foolproof
Learner’s notesIn plain EnglishSo reliable or simple that it's very hard to get wrong.
Common pairings
a foolproof plan
foolproof method
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Word forms
- Third person singular
- foolproofs
- Past tense
- foolproofed
- Comparative
- more foolproof
- Superlative
- most foolproof
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She swore by her _____ recipe for chocolate cake.
Etymology
Built from fool + proof, meaning "proof against fools," i.e. safe even from careless use.
Synonyms
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unfailing
Antonyms
Related words
Rhymes for foolproof
See all rhymes for foolproof →Frequently asked questions
What does “foolproof” mean?
The word “foolproof” means designed so simply or solidly that it can't go wrong, even if misused. In plain terms, so reliable or simple that it's very hard to get wrong.
How do you pronounce “foolproof”?
“Foolproof” is pronounced FOOL-proof (/ˈfuːl ˌpɹuːf/ in IPA).
How do you use “foolproof” in a sentence?
Here is “foolproof” used in a sentence: “She swore by her foolproof recipe for chocolate cake.”
What part of speech is “foolproof”?
“Foolproof” is an adjective.
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