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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.

Its smartphone gross margin dropped to 10.1% due to higher prices of key components and intensified competition in the mainland market.

From The Wall Street Journal • May 26, 2026

For investors, the key question is whether some of China’s listed restaurant and beverage giants are masking franchisee stress beneath aggressive expansion.

From Barron's • May 26, 2026

The researchers found that chromosome organization was the key factor behind these differences.

From Science Daily • May 25, 2026

Fernandes was a key figure for United during the 2025-26 campaign, helping the club secure a third-place Premier League finish and a return to the Champions League after a two-season absence.

From BBC • May 25, 2026

‘Or we were, anyway. I came up here to get Hannie’s bicycle key.’

From "Code Name Kingfisher" by Liz Kessler




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