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Definitions

key

[kee] / ki /


NOUN
item that unlocks
Synonyms
Antonyms




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.

Investigations found that a former Chinese software developer at Coupang retained an authentication key after leaving the company, enabling unauthorized access for about a year.

From The Wall Street Journal • Jun. 11, 2026

The commitment to youth appears to be a key factor in Aguirre’s approach to building the roster.

From Los Angeles Times • Jun. 11, 2026

This system marks specific proteins for destruction, effectively dismantling key components of the DNA repair network.

From Science Daily • Jun. 10, 2026

With the key deposit rate at just 2%, investors see plenty of scope for further rate hikes later this year.

From Barron's • Jun. 10, 2026

Ollie twisted the key in the lock to the left until they heard a click crack click.

From "The Way to Rio Luna" by Zoraida Cordova




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