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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.

Becerra’s support grew among key constituent groups, and he now carries 44% of Democrats, 36% of Hispanics and 36% of women.

From Los Angeles Times • May 31, 2026

Unlike typical tax documents, Blanche’s order doesn’t define key terms or specify which tax years, taxpayers and tax disputes are covered.

From The Wall Street Journal • May 30, 2026

Son, 68, said his decision was made after meeting Macron during a visit to Tokyo in April and that France's status as an energy exporter had played a key role.

From Barron's • May 30, 2026

It’s a last-minute excursion when I’m craving something specific and missing several key ingredients.

From Salon • May 30, 2026

I patted the ground under a large rock beside the door until I found the key.

From "The Red Car to Hollywood" by Jennie Liu




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