key in
Britishverb
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.
That data proved key in prosecutors securing a double murder conviction in 2024 against Rebecca Grossman.
From Los Angeles Times ● Sep. 17, 2026
As we have argued in recent academic research, race and ethnicity data are key in understanding population health outcomes.
From Slate ● Sep. 17, 2026
Both are key in helping enterprises, including Nvidia, save on AI token costs and protect their proprietary data, Briski said.
From The Wall Street Journal ● Aug. 11, 2026
“The key, in our opinion, is that the incident remain isolated,” William Blair analyst Sharon Zackfia said in a research note.
From MarketWatch ● Aug. 6, 2026
At last everything was done, and Mr. Popper turned the key in the door of the little house.
From "Mr. Popper's Penguins" by Florence Atwater and Richard Atwater
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
