key

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In the process, oil and gas became key contributors to U.S. economic growth and prestige.

From The Wall Street Journal • Apr. 4, 2026

Low metallicity is a key indicator of age.

From Science Daily • Apr. 4, 2026

When the fund was first announced, councillor Susan Aitken, the leader of Glasgow City Council, said supporting local businesses was a key priority in the aftermath of the fire.

From BBC • Apr. 4, 2026

“Of course I like to show the great future, the big dream. But we have to show the actual data, the actual result. That is the key for my company.”

From The Wall Street Journal • Apr. 4, 2026

Ollie twisted the key in the lock to the left until they heard a click crack click.

From "The Way to Rio Luna" by Zoraida Cordova