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Definition key in British English

key adjective

adjective
/kiː/

▪ 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

South Africa lost two key players through injury.

Example

Women farmers are key to China's economic development.

Synonyms and related words
Definition key in British English