Synonyms of linchpin
- 1. anchor, mainstay, keystone, backbone, linchpin, lynchpin, support
- usage: a central cohesive source of support and stability; "faith is his anchor"; "the keystone of campaign reform was the ban on soft money"; "he is the linchpin of this firm"
- 2. linchpin, lynchpin, pin
- usage: pin inserted through an axletree to hold a wheel on
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Definition and meaning of linchpin (Dictionary)