Definition of foolproof Foolproof

/fuˈlpɹuˌf/ - [fulpruf] - fool•proof

We found 5 definitions of foolproof from 4 different sources.

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What does foolproof mean?

WordNet

WordNet by Princeton University

Adjective

foolproof, foolproofer, foolproofest

foolproof - not liable to failure; "a foolproof identification system"; "the unfailing sign of an amateur"; "an unfailing test"
  unfailing
= synonym
= antonym
= related word

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  • foolproof
    For a device: protected, or designed to be proof against misuse or error.

Part of speech

🔤
  • foolproof, verb, present, 1st person singular of foolproof (infinitive).
  • foolproof, verb (infinitive).
  • foolproof, adjective.

Pronunciation

Word frequency

Foolproof is...

60% Complete
Very rare
Rare
Normal
Common
Very Common
66% Complete
Rare
Normal
Common

Sign Language

foolproof in sign language
Sign language - letter F Sign language - letter F Sign language - letter O Sign language - letter O Sign language - letter O Sign language - letter O Sign language - letter L Sign language - letter L Sign language - letter P Sign language - letter P Sign language - letter R Sign language - letter R Sign language - letter O Sign language - letter O Sign language - letter O Sign language - letter O Sign language - letter F Sign language - letter F