k

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k¹

  • /keɪ/ letter, name
  • /k/ phoneme

Rhymes with -eɪ

letter K · ks · k's

  1. letter, lowercase The eleventh letter of the English alphabet, called kay and written in the Latin script.
  2. letter, lowercase The first letter of callsigns allocated to American broadcast television and radio stations west of the Mississippi river.

number K · ks · k's

  1. lowercase, number The eleventh numeral symbol of the English alphabet, called kay and written in the Latin script.

k²

Where it comes from

From kilo-.

noun ks · k's

  1. A kilobyte (more formally KB or kB).
  2. A kilobit (more formally kb), especially in measuring Internet connection.
  3. colloquial kilometre or kilometres. We drove 15 ks before we realised Billy wasn't in the back seat.
  4. colloquial thousand or thousands. Just about 65 k of Jack's full salary comes from servicing the Baker account.
  5. The SI measurement value of 1,000

k³

Where it comes from

Clipping of OK.

interjection

  1. Internet, colloquial OK

    Similar: 'kay

K⁴

  • /keɪ/
  • [kʰeɪ]

Rhymes with -eɪ

letter k · Ks · K's

  1. letter, uppercase The eleventh letter of the English alphabet, called kay and written in the Latin script. The symbol K, however, was not entirely lost; it is found irregularly in inscriptions of all dates down to the times of the empire, and regularly as an initial abbreviation of Kalendæ, Karthago, Kæso (the proper name).

number k · Ks · K's

  1. uppercase, number The eleventh numeral symbol of the English alphabet, called kay and written in the Latin script.

K⁵

Where it comes from

Abbreviations.

noun Ks

  1. abbreviation, informal Abbreviation of contract
  2. US, abbreviation Abbreviation of kindergarten "K-8" is Kindergarten through eighth grade.
  3. abbreviation, often Abbreviation of kilo-, 1,000 or 1,024. 5k = 5,000
  4. A single character message used as an acknowledgement (ACK), meaning "previous message received and understood."
  5. abbreviation Abbreviation of go ahead, over, an indication that a message is complete and a reply is awaited.
  6. abbreviation Abbreviation of strikeout On a baseball scorecard, a frontwards K signifies striking out while swinging the bat, while a backwards K signifies striking out while looking.
  7. abbreviation Abbreviation of king 1.e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6 e.p. Nxd6 7. Bg5 Nc6 8. Qe3+ Be7 9. Nbd2 0-0 10. 0-0-0 Re8 11. Kb1 (=)
  8. abbreviation Abbreviation of carrying capacity
  9. abbreviation Abbreviation of Cretaceous
  10. abbreviation Abbreviation of knit Knit 3, p 1, k 2, purl 1, k 2, m 1, k 2 together, k 1.
  11. abbreviation, slang Abbreviation of ketamine (a drug). At high levels of concentration of K in the blood, the observer/operator is cut off from his interlock with e.r., including the human consensus reality.
  12. abbreviation Abbreviation of Köchel number Die Zauberflöte, K. 620
  13. UK, abbreviation Abbreviation of Knighthood
  14. abbreviation Abbreviation of capital
  15. abbreviation Abbreviation of black
  16. abbreviation, slang, from Jamaican Creole Abbreviation of Kalashnikov We used to run from the KKK but now we running from our brothers that be holding them K's.
  17. abbreviation Abbreviation of kritik

K⁶

Where it comes from

Clipping of OK.

interjection

  1. Internet, colloquial OK K, dad, I'll go to my room.

    Similar: 'kay

Translations

Every language

noun playing card

PortuguêsR (rei)
FrançaisR
DeutschK (König)
РусскийК K

Talk about this word

Cite this
MLA

"k." Wiktionary, via Micwyn, micwyn.com/word/k. Accessed 6 Nov. 2026.

APA

k. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/k

Chicago

"k." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/k.

BibTeX
@misc{k_2026,
  title = {k},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/k},
  urldate = {2026-11-06}
}