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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.

German travel operator TUI TUI1 -2.47%decrease; red down pointing triangle cut its guidance for a key earnings metric due to uncertainty over how long the conflict in the Middle East will last.

From The Wall Street Journal • Apr. 22, 2026

With the improved resolution, the team was able to detect key statistical patterns of small, intense currents that drive vertical mixing.

From Science Daily • Apr. 22, 2026

Ukraine is a key source of stables including wheat and sunflower seeds.

From BBC • Apr. 22, 2026

Turnquist pointed to Taiwan and South Korea as key markets poised to benefit from AI.

From MarketWatch • Apr. 22, 2026

It’s then that I remember the email that said we’d need our key fobs to access the pool if we wanted to swim before eight a.m. on weekdays.

From "Red Flags and Butterflies" by Sheryl Azzam




Vocabulary lists containing key