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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.

Physical function was evaluated through walking speed, a measure often considered by geriatricians to be a key indicator of overall health because it is closely linked to disability, hospitalization, and mortality.

From Science Daily • Jun. 21, 2026

The key to a successful dinner party is commitment: Committing to your guests, committing to a planned-out menu and, most importantly, committing to a strict budget.

From Salon • Jun. 21, 2026

The key to a healthy breakfast is less about when you eat breakfast and more about what you eat.

From MarketWatch • Jun. 21, 2026

The first four picks in the 2026 NBA draft appear certain, but what the Clippers do at No. 5 with a wave of guards expected to chosen next is key to the first round.

From Los Angeles Times • Jun. 21, 2026

I was just fumbling for my mom’s key when Elliot threw out a hand to stop me.

From "Glitch" by Laura Martin




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