What is the meaning of lynchpin?

noun

  • A central cohesive source of support and stability.
    • usage: "faith is his anchor"; "the keystone of campaign reform was the ban on soft money"; "he is the linchpin of this firm"
  • Pin inserted through an axletree to hold a wheel on.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). lynchpin. Retrieved September 20, 2026, from http://smartdefine.org/lynchpin/definitions/1292712
ChicagoWordNet. 2010. "lynchpin" http://smartdefine.org/lynchpin/definitions/1292712 (accessed September 20, 2026).
HarvardWordNet 2010, lynchpin, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/lynchpin/definitions/1292712>.
MLAWordNet. "lynchpin" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/lynchpin/definitions/1292712>