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.
His pressing was key in helping pin Croatia back.
From BBC ● Jun. 17, 2026
The authenticity that has helped Kish win over fans in a new role on “Top Chef” is key in reality TV, and vital for anyone looking for career longevity in the space.
From Los Angeles Times ● Jun. 8, 2026
After they were arrested, the differences between Bullins and Pitchford proved key in the way the cases played out.
From Slate ● May 28, 2026
The confidence element is key in turning casual trail runners into more committed ones.
From The Wall Street Journal ● Apr. 30, 2026
I opened my hand and she placed the key in my palm.
From "Red Kayak" by Priscilla Cummings
![]()
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.