"Cornerstone" 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

"cornerstone" Definition

  1. a stone at the corner of the base of a building, often laid in a special ceremony
  2. the most important part of something that the rest depends on

"cornerstone" Synonyms & Antonyms

"cornerstone" synonyms:

  • basis,
  • foundation,
  • bedrock,
  • keystone,
  • base,
  • linchpin,
  • mainspring,
  • mainstay,
  • key,
  • anchor,
  • bottom,
  • center,
  • centre,
  • centerpiece,
  • centrepiece,
  • core,
  • footing,
  • fundament,
  • ground

"cornerstone" antonyms:

  • sidenote,
  • afterthought,
  • addendum,
  • addition,
  • postscript,
  • extra,
  • harm,
  • hurt,
  • injury,
  • release,
  • minutia,
  • trivia,
  • triviality,
  • frivolity,
  • frippery,
  • annexe,
  • annex,
  • top,
  • subsidiary

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