Pronunciation: /fuːlpruːf/
adjective describes something that is designed or constructed to be incapable of going wrong or being misused
A1 This recipe is foolproof, even beginners can make it.
A2 The instructions are foolproof, so you can't go wrong.
B1 The new software has a foolproof design to prevent errors.
B2 The security system is foolproof, making it nearly impossible to hack.
C1 The foolproof plan ensured the success of the project.
C2 The foolproof method guarantees accurate results every time.
formal The new software program comes with a foolproof security system to protect sensitive data.
informal Follow this recipe step by step, it's foolproof and you'll end up with a delicious meal.
slang This shortcut I found is foolproof, you can't mess it up.
figurative She believed her plan was foolproof, but there were still potential risks involved.
foolproofed
foolproofs
more foolproof
most foolproof
foolproof
will foolproof
have foolproofed
is foolproofing
foolproof
foolproof
to foolproof
foolproofing
foolproofed