Cornerstone Meaning

/kˈɔrnəˌrstoʊn/
B2

Definition, CEFR level B2, pronunciation, examples, and quiz.

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nounA stone forming the base at the corner of a building.

nounSuch a stone used ceremonially, often inscribed with the architect's and owner's names, dates and other details.

Make solidarity and equal rights the cornerstone of public policy.
It also forms a vital cornerstone of the strategy for sustainable development.
Synonyms:
Antonyms:
None
CEFR Practice Quiz
The new library's ____ was laid during a ceremony attended by the mayor.
CEFR Practice Quiz (Alternate)
Make solidarity and equal rights the ____ of public policy.

From Middle English corner ston; equivalent to corner + stone. The figurative sense is in part after Psalm 118:22, and is also quoted several times in the New Testament.

"Clutch it like a cornerstone Otherwise it all comes down Justify denials and Grip 'em to the lonesome end" — 2001, “The Grudge”, performed by Tool:
"Jewish immigrants came together with other foreign-born groups in organizations like the Industrial Workers of the World, helping to create one of the cornerstones of the American left." — 2019 July 15, Greg Afinogenov, “The Jewish Case for Open Borders”, in Jewish Currents, number Summer 2019:

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CEFR Practice Quiz
The new library's ____ was laid during a ceremony attended by the mayor.
CEFR Practice Quiz (Alternate)
Make solidarity and equal rights the ____ of public policy.

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