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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Videos

Short "hint"

v. - Proof against human misuse or error adj. - Not liable to failure.

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Usage examples (42)
  • A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.
  • foolproof this appliance
  • A foolproof identification system
  • Adjective : a foolproof method
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.