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Definitions

cornerstone

[kawr-ner-stohn] / ˈkɔr nərˌstoʊn /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Neugebauer’s departure comes as Fermi struggles to find a cornerstone tenant for its Project Matador campus in Amarillo, Texas.

From Barron's • Apr. 20, 2026

Tourism, a cornerstone of Cuba’s economy, started falling in Trump’s first term and plummeted during the pandemic.

From Los Angeles Times • Apr. 20, 2026

Obama, who has remained active in public life since leaving office, has frequently emphasized education as a cornerstone of economic opportunity in his entire political and post-political career.

From Salon • Apr. 19, 2026

Bread has long been a dietary cornerstone, sustaining societies for generations.

From Science Daily • Apr. 14, 2026

Dr. Gazzaley says that attention is also “absolutely critical for all high-level functioning,” a cornerstone of what it means to be human.

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel




Vocabulary lists containing cornerstone