keystone - Similar and Opposite Words

What is another word for keystone ?

Here are the synonyms for keystone , a list of similar words for keystone from our thesaurus that you can use

Noun

the central building block at the top of an arch or vault

Synonyms

• headstone
• key
• keystone

More generic

• building block

More specific

• coign
• coigne
• quoin

Related

• arch

Noun

a central cohesive source of support and stability

Synonyms

• anchor
• backbone
• keystone
• linchpin
• lynchpin
• mainstay

More generic

• support

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