Thesaurus.com
Dictionary.com
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.

The key to how the Fed thinks about the CPI report will depend on the details.

From MarketWatch • Jun. 9, 2026

But Deschamps feels that Olise is key if France are to win the World Cup for a third time.

From BBC • Jun. 9, 2026

However, there was a steep fall in production in Germany’s key automotive industry.

From The Wall Street Journal • Jun. 9, 2026

It suited the structure of the book — the key incidents fitted perfectly — but I hope more than that it allowed us to care about the boys.

From Los Angeles Times • Jun. 9, 2026

Cam hands one of the key chains—it’s red, orange, and yellow, fire colors—to his cousin.

From "Legendary Frybread Drive-In" by Cynthia Leitich Smith




Vocabulary lists containing key


Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "key" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com