cornerstone
noun
a stone uniting two masonry walls at an intersection.
cornerstones
-
pluralof cornerstone.plural
The grammatical form denoting more than one person, place, thing, or idea.
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.
Carney, a former central banker, has made reducing dependence on Washington and diversifying Canada's partnerships one of the cornerstones of his term, which began in March 2025.
From Barron's ● Oct. 22, 2026
Spiritual jazz and psychedelic soul are cornerstones of her sound, along with new-age accouterments like prayer bowls and chimes blended with instruments including Fender Rhodes keyboards and vibraphone.
From The Wall Street Journal ● Sep. 1, 2026
As tech has grown as an overwhelming force in our lives, the visual design cornerstones associated with it—arial font, minimalist branding, bright colors and clean lines—have become the norm.
From Slate ● Aug. 21, 2026
One of the cornerstones of the division between the two is that Fifa's revamped and expanded Club World Cup has become a clear, direct threat to Uefa's Champions League.
From BBC ● Jul. 29, 2026
I was suddenly pointedly aware of the fact that I was standing in one of the cornerstones of civilization, talking to the Master Archivist of the University.
From "The Name of the Wind" by Patrick Rothfuss
