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linchpin Synonyms

Another word for linchpin

Choosing another word for linchpin depends on context, so the 11 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• noun (Context 1)

A person or thing vital to an enterprise or organization, holding together the various elements of a complicated structure.

Usage Example

"Reliable public transportation is the cornerstone of the city's long-term economic development plan."

Strongest
cornerstone
keystone
Strong
mainstay
backbone
anchor
pillar
bedrock
foundation
fulcrum
pivot

• noun (Context 2)

A metal pin passed through the end of an axle to keep a wheel in position.

Usage Example

"The mechanic secured the heavy wagon wheel by sliding a steel cotter pin through the axle."

Strong
cotter pin

Cite this Entry


Wordmom. (2026). Synonyms for Linchpin. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/linchpin
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