Foolproof

Pronunciation: /ˈfuːlˌpruːf/

Foolproof (adjective)

  1. Simple and easy to use, so anyone can do it without mistakes.
  2. Designed to work perfectly and not fail, even if used incorrectly.

Examples

  • The instructions are foolproof and easy to follow.
  • This new software is foolproof for beginners.

Common collocations: foolproof design, foolproof method, foolproof plan, foolproof solution, foolproof system