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.

Grimes added citizen scientists in Plymouth and surrounding areas "can help overcome a key challenge in urban micrometeorite research, accessing multiple sample sites and processing material to build a national archive".

From BBC • Apr. 4, 2026

"Enceladus itself is a key driver of this environment, releasing huge amounts of water vapor that gets ionized, loading the magnetosphere with heavy plasma that is then pulled around as the planet spins."

From Science Daily • Apr. 3, 2026

Its key patron, China, gets less than 2 millions barrels a day from Tehran—and 9 million from other Gulf countries currently shut in.

From The Wall Street Journal • Apr. 3, 2026

But Coogan and Hays insist they are not journalists, even if they line up interviews with key figures in the industry who offer insightful access to the Silicon Valley world.

From Barron's • Apr. 3, 2026

Gabi puts the key down and comes over to me.

From "Code Name Kingfisher" by Liz Kessler