cornerstone (B2)

noun

Pronunciation: /ˈkɔːrnərˌstoʊn/

Definition

A stone forming the base of a corner of a building, or a stone laid at the corner of a building or foundation with special ceremony and inscribed with a date and names.

Examples

• The architect explained that the cornerstone of the new museum would be laid next month.

• The cornerstone of their business philosophy is customer satisfaction.

• This treaty is seen as the cornerstone of modern international law.

How to Use cornerstone

cornerstone of (prepositional phrase)

The fundamental part or basis of something. — "The cornerstone of his argument was the lack of evidence."

Synonyms of cornerstone

Words with a similar meaning to cornerstone:

• foundation
• basis
• bedrock
• linchpin

Antonyms of cornerstone

Words with the opposite meaning to cornerstone:

• superficiality
• triviality

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