keystone

noun

Meaning

A central, essential element upon which all other parts of a system or structure depend.

Examples

Trust is the keystone of any healthy relationship.
The new policy serves as the keystone of the company's long-term growth strategy.

Synonyms: base, cornerstone, linchpin, foundation

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keystone

noun

Pronunciation: /ˈkiː.stəʊn/

Definition

A central, essential element upon which all other parts of a system or structure depend.

Examples

Trust is the keystone of any healthy relationship.
The new policy serves as the keystone of the company's long-term growth strategy.
The keystone species in this ecosystem is the sea otter, which keeps the kelp forest healthy.

Synonyms of keystone

Words with a similar meaning to keystone:

base
cornerstone
linchpin
foundation

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