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

    letter · lowercase
  2. The first letter of callsigns allocated to American broadcast television and radio stations west of the Mississippi river.

    letter · lowercase
num/keɪ/letter, name/k/phoneme
  1. The eleventh numeral symbol of the English alphabet, called kay and written in the Latin script.

    lowercase
noun
  1. A kilobyte (more formally KB or kB).

  2. A kilobit (more formally kb), especially in measuring Internet connection.

  3. kilometre or kilometres.

    colloquial
    We drove 15 ks before we realised Billy wasn't in the back seat.
  4. thousand or thousands.

    colloquial
    Just about 65 k of Jack's full salary comes from servicing the Baker account.
  5. The SI measurement value of 1,000

Where this word comes from

From kilo-.

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.