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Vocabulary Entry
keystone
|noun • noun • adjective
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N
noun
A central stone at the summit of an arch, locking the whole arch together.
Example Sentences
"The architect chose a beautifully carved stone for the keystone of the arch."
"The keystone holds the arch's shape and stability."
"Without the keystone, the entire structure could collapse."
N
noun
A central or crucial element that supports or links various parts.
Example Sentences
"Trust is the keystone of any successful relationship."
"In the project, communication was the keystone that kept everyone on the same page."
"The keystone of the team's strategy was innovative thinking."
A
adjective
Essential or central to a system or group.
Example Sentences
"He played a keystone role in the success of the campaign."
"Keystone habits can lead to significant changes in other areas of life."
"The keystone principles of the project focus on sustainability."