keystone
Pronunciation: [ˈkiːstoʊn]
Word
Context: “architecture”
(noun) a keystone is the very top stone in an arch. It holds all the other stones in place and keeps the structure strong. It is very important for the arch to stand up.
Example
The architect chose a beautiful keystone that added elegance to the arch.
Example
Without the keystone, the arch quickly collapsed.
Example
What would happen if we removed the keystone from the arch?
Context: “importance”
(noun) in a broader sense, a keystone can mean something that is very important to the success of a system or project. It's like the main thing that everything else relies on.
Example
Trust is the keystone of any good friendship.
Example
Without communication, the project can't succeed; it's not just a small problem, it's the keystone.
Example
What do you think is the keystone of a successful team?
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