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.

Unionized workers at a Michigan plant producing a key component for General Motors GM -5.21%decrease; down pointing triangle trucks have reached a tentative agreement for a new labor contract following a 10-day strike.

From The Wall Street Journal • Jun. 11, 2026

The commitment to youth appears to be a key factor in Aguirre’s approach to building the roster.

From Los Angeles Times • Jun. 11, 2026

Co-corresponding author Professor Joo-Yong Lee stated, "We identified a mechanism in which key DNA repair proteins are actively degraded inside the cell. This provides a new way to regulate homologous recombination beyond genetic mutations."

From Science Daily • Jun. 10, 2026

With the key deposit rate at 2%, analysts anticipate further ECB rate hikes, potentially in July, to combat inflation.

From Barron's • Jun. 10, 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




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