Word.ws English Dictionary

kay

/keɪ/

kay noun: the name of the Latin script letter K/k. Also the dated form of cay.

Noun (1)

kay (plural kays)

  1. The name of the Latin script letter K/k.
  2. (colloquial) A kilometer.
  3. (colloquial) A thousand of some unit (from kilo-).

Interjection

  1. (colloquial) Apheretic form of okay.
    • Meanwhile, TMZ reports that Amanda and West are still dating and aren’t “sweating the chatter,” while insiders also confirm that West is “fully committed to Amanda[…]”—despite rumors that he’s been simultaneously dating other women. Per a source, it’s just “fan assumptions” and “innocent” chats...2026 April 10, Mehera Bonner, “‘Summer House: Ozarks’ Is Reportedly Coming...With West Wilson as a Cast Member”, in Cosmopolitan

Proper noun capitalized: Kay

IPA/ˈkeɪ/

Kay

  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 female given name, 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 […]"1970, Santha Rama Rau, The Adventuress, Harper&Row, pages 99–100

Noun (2) capitalized: Kay

IPA/ˈkeɪ/

Kay (plural Kays)

  1. Alternative letter-case form of kay.

Also used as

kay is also the dated form of cay.

kay meaning in Hindi, Marathi, Bengali and Malayalam

kay in Hindi

name of the letter K, k
के ke

kay in Marathi

name of the letter K, k
के ke

kay in Bengali

name of the letter K, k
কে ke

kay in Malayalam

name of the letter K, k
കെ ke
More languagesFewer languages
kay in Punjabi
ਕੇਏ
kay in Tagalog
key
kay in Arabic
كَاي kay, كِيه kīh, كِي kī, كَا kā
kay in Malay
ke
kay in Indonesian
ka
kay in Persian
کا kâ
kay in Thai
เค kee
kay in Vietnamese
ca
kay in Myanmar
ကေ ke

Forms of kay

Noun
pluralkays
pluralKays
Interjection
alternative form'kay
Proper noun
alternative formKaye
alternative formKeay

Plural of kay: kays

Origin of kay

From Latin kā.

Words formed from kay

Words that rhyme with kay

48 more rhymesFewer rhymes

Questions about kay

What does kay mean?
Kay means the name of the Latin script letter K/k.
What is kay in Hindi?
Kay in Hindi is के (ke). See Kay meaning in Hindi.
What part of speech is kay?
Kay can be a noun, an interjection or a proper noun.
How do you pronounce kay?
Kay is pronounced /keɪ/.
What is the plural of kay?
The plural of kay is kays.

Words near kay in the dictionary

  1. Kawésqar
  2. Kawésqars
  3. Kaxgar
  4. Kaxkar
  5. Kaxĝär
  6. kay
  7. Kay County
  8. kay-fabe
  9. kaya
  10. Kaya identity
  11. kaya toast

Source and license

Adapted from Wiktionary: kay (page history and authors); Kay (page history and authors); kay (Punjabi, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-kay.ogg.

Cite this entry: “kay.” Word.ws, https://word.ws/kay. Based on Wiktionary, CC BY-SA 4.0.