Kay

//ˈkeɪ// intj, name, noun, slang

intj, name, noun, slang ·Moderate ·High school level

Definitions

Noun

1
The name of the Latin script letter K/k.
2
Dated form of cay. alt-of, dated
"Three small sandy kays on the reef, bearing this name, lie at the distance of about 5½ miles S.S.E. from Boca Chica."
3
Alternative letter-case form of kay. alt-of
4
A kilometer. colloquial
5
A thousand of some unit (from kilo-). colloquial

Intj

1
Clipping of okay. abbreviation, alt-of, clipping, colloquial

Proper Noun

1
A surname from Middle English derived from several Old and Middle English words; also adopted by immigrants whose surnames began with a K.
2
A male given name from Welsh derived from the surnames, or from a rare medieval given name (as the Sir Kay of Arthurian legend), Welsh Cai, Latinized as Caius, related to the modern male name Kai.
3
A short form of Katherine and other female names beginning with a "K"; popular as a middle name.
"She frowned at the girl's response. "Kay?" she said. "That is not a name. And what of your family?" "Catalina," the girl amended quickly. "I am used to being Kay at work. My family name is Gómez - we come from Mindanao, where we had pineapple plantations […]""

Synonyms

Example

"Professor Kay has been studying insects for forty years."

Etymology

From Latin kā.

Related phrases

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.