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.

After they were arrested, the differences between Bullins and Pitchford proved key in the way the cases played out.

From Slate • May 28, 2026

If that level is reached, the stock’s behavior from there will be key in determining whether it stabilizes or resumes its broader weakness.

From Barron's • May 14, 2026

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

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

From The Wall Street Journal • Mar. 31, 2026

Then I heard the key in the lock, and Mother went back to her room.

From "The Sound and the Fury" by William Faulkner