American Dictionary

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Definition key in American English

key adjective

adjective
/ki/

▪ element, factor, feature, figure, issue, point, role, word

1

very important

Example

Foreign policy had been a key issue in the campaign.

Example

This economic model has the following key features.

Example

The Steelers have lost two key players because of injuries.

Synonyms and related words
Definition key in American English