"Foolproof" validity in different word game dictionaries

Dictionary Validity
Scrabble US(US/Canada/Thailand - TWL/NWL) Yes
Scrabble UK(International - SOWPODS/CSW) Yes
Words with Friends(WWF) Yes

"foolproof" Definition

  1. (of a plan, machine, method, etc.) very well designed and easy to use so that it cannot fail and you cannot use it wrongly

"foolproof" Synonyms & Antonyms

"foolproof" synonyms:

  • dependable,
  • reliable,
  • safe,
  • trustworthy,
  • sure,
  • tested,
  • guaranteed,
  • tried,
  • unfailing,
  • certain,
  • infallible,
  • sound,
  • effective,
  • efficacious,
  • unerring,
  • watertight,
  • flawless,
  • perfect,
  • unassailable

"foolproof" antonyms:

  • flawed,
  • risky,
  • unsound,
  • questionable,
  • tenuous,
  • defective,
  • uncertain,
  • shaky,
  • weak,
  • doubtful,
  • dubious,
  • loose,
  • open,
  • penetrable,
  • permeable,
  • possible,
  • refutable,
  • unclosed,
  • unsealed

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