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ENGLISH · A WORD WITH POSSIBILITIES

K.

The eleventh letter of the English alphabet, called kay and written in the Latin script.

1 character1 syllables approx.English language

Meaning & usage

character/keɪ/[kʰeɪ]

  1. The eleventh letter of the English alphabet, called kay and written in the Latin script.

    letter · uppercase
num/keɪ/[kʰeɪ]

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

    uppercase
noun

  1. Abbreviation of contract.

    abbreviation · alt-of · informal

  2. Abbreviation of kindergarten.

    US · abbreviation · alt-of
    "K-8" is Kindergarten through eighth grade.

  3. Abbreviation of kilo-, 1,000 or 1,024.

    abbreviation · alt-of · often

  4. A single character message used as an acknowledgement (ACK), meaning "previous message received and understood."

  5. Abbreviation of go ahead, over, an indication that a message is complete and a reply is awaited.

    abbreviation · alt-of

  6. 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.

    abbreviation · alt-of

  7. Abbreviation of king.

    abbreviation · alt-of

  8. Abbreviation of carrying capacity.

    abbreviation · alt-of

  9. Abbreviation of Cretaceous.

    abbreviation · alt-of

  10. Abbreviation of knit.

    abbreviation · alt-of

  11. Abbreviation of ketamine (a drug).

    abbreviation · alt-of · slang

  12. Abbreviation of Köchel number.

    abbreviation · alt-of
    Die Zauberflöte, K. 620

  13. Abbreviation of Knighthood.

    UK · abbreviation · alt-of

  14. Abbreviation of capital.

    abbreviation · alt-of

  15. Abbreviation of black.

    abbreviation · alt-of

  16. Abbreviation of Kalashnikov.

    abbreviation · alt-of · slang

  17. Abbreviation of kritik.

    abbreviation · alt-of
Where this word comes from

Abbreviations.

intj

  1. OK

    Internet · colloquial
Where this word comes from

Clipping of OK.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.