foolproof
Translation
foolproof
Examples
The new system is completely foolproof.
The new system is completely foolproof.
He thought he had a foolproof plan.
He thought he had a foolproof plan.
Grammar Patterns
a ((foolproof)) ((noun)) a foolproof (noun) It's a foolproof method.
((noun)) is ((foolproof)) (noun) is foolproof The design is foolproof.
Similar Words
Synonyms: infallible, failsafe, guaranteed
Etymology
From 'fool' + 'proof' (resistant to). It implies something is resistant to being misused or broken, even by a fool.
Memory Tips
Think of 'waterproof'. Just as a waterproof watch keeps water out, a 'foolproof' plan keeps fools from breaking it.