Definition of keystone

Scrabble & Words with friends points


  • keystone is a valid Scrabble US word with a point value of 15
  • keystone is a valid Scrabble UK word with a point value of 15
  • keystone is a valid Words with friends word with a point value of 15

Definition of keystone


  • a central cohesive source of support and stability (noun)

    Examples

    1. the keystone of campaign reform was the ban on soft money

    Synonyms

    1. anchor
    2. backbone
    3. linchpin
    4. lynchpin
    5. mainstay
  • the central building block at the top of an arch or vault (noun)

    Synonyms

    1. headstone
    2. key

See definition of keystone in Merriam Webster