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.
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
“We knew at some point we’d get that spot where we’re playing our best. I started to key in on their blockers to see who was switching on Mateo.”
From Los Angeles Times • Mar. 21, 2026
The former Arsenal midfielder was one of a number of summer signings the Black Cats made, but has arguably been the most influential, with his experience and leadership key in many games.
From BBC • Mar. 3, 2026
"Wait," says Helmuth as Gerhard inserts a key in the lock.
From "The Boy Who Dared" by Susan Campbell Bartoletti
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.
