k

Letter (1)

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.

Numeral (1)

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

Noun (1)

k (plural ks or 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

Interjection (1)

1. (Internet, colloquial) OK

   Synonyms:

   'kay

Letter (2) capitalized: K

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).1876, "C" in the Encyclopædia Britannica, 9th ed., Vol. IV, p. 616

Numeral (2) capitalized: K

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

Noun (2) capitalized: K

K (plural 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, Morse code) 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 (=)2022, “2023 Laws of Chess”, in FIDE, page 23
   • The correct answer is 1.Rxf6 Rxf6 2.Rf1 Raf8 3.Qg5 Kg7 4.Nh5+
     Other sub-variations work, such as playing 2.Qg5 then 3.Rf1 or playing 4.Bxf6+ first before playing 5.Nh5+.2023 August 12, GM Noël Studer, “Mastering Chess Puzzles: The Comprehensive Guide to Effective Problem Solving”, in Next Level Chess
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 1.1855, Godey's Magazine, volume 51, page 71
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.1978, John C. Lilly, “Seduction by K”, in The Scientist, Philadelphia: Lippincott, →ISBN, page 167
12. (abbreviation) Abbreviation of Köchel number.
    • Die Zauberflöte, K. 620

Interjection (2) capitalized: K

1. (Internet, colloquial) OK
   • K, dad, I'll go to my room.2019, Justin Blackburn, The Bisexual Christian Suburban Failure Enlightening Bipolar Blues, page 23

   Synonyms:

   'kay