key in

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.

Both Leavitt and Hegseth, however, mentioned that the United States wants to ensure Iran does not have stockpiles of enriched uranium, the fissile material that is key in developing nuclear weapons.

From Los Angeles Times • Apr. 8, 2026

Google’s researchers said a quantum computer may be on the horizon that’s powerful enough to crack a bitcoin wallet’s secret key in as few as nine minutes, potentially giving attackers access to investors’ funds.

From MarketWatch • Mar. 31, 2026

It is also key in fiber-optic manufacturing and defense applications.

From The Wall Street Journal • Mar. 31, 2026

The full Moon in April has an important additional role as it is key in setting the dates for Easter and Passover.

From BBC • Mar. 29, 2026

Not to spring out of bed to warm up his dinner when I heard his key in the door.

From "P.S. Be Eleven" by Rita Williams-Garcia