Linchpin synonyms

lĭnch'pĭn'
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A pin inserted through holes at the end of an axle, so as to secure a wheel
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(Architecture) Carved work, somewhat resembling an anchor or arrowhead; part of the ornaments of certain mouldings. It is seen in the echinus, or egg-and-anchor (called also egg-and-dart, egg-and-tongue) ornament.
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The definition of a mainstay is something that is depended on, or something that is necessary.
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The central supporting element of a whole.
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Strength of character; determination:
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Find another word for linchpin. In this page you can discover 5 synonyms, antonyms, idiomatic expressions, and related words for linchpin, like: lynchpin, anchor, mainstay, keystone and backbone.