Word.ws English Dictionary

5K

5K noun: a road race over 5 000 metres.

Noun

5K (plural 5Ks)

  1. A road race over 5 000 metres.
    • She stalked the family home to catch Sophie on a run, and then she lied and said she was a part of the 5K the family did in Jon's memory. Then, she wanted to leave a note (or maybe the memory card with that info on it) for Delilah, and then she chickened out. These aren't actions of a...2019 February 28, Lindsay Denninger, “Why You Might Be Wrong About Emma & Barbara Morgan On 'Million Little Things'”, in Bustle, archived from the original on 29 Mar 2023
  2. A display device or item of content with approximately 5,000 pixels in the horizontal axis.

Forms of 5K

plural5Ks
alternative form5-K

Origin of 5K

From 5 (“the number five”) + K (“abbreviation for thousand”).

Questions about 5K

What does 5K mean?
5K means a road race over 5 000 metres.
What part of speech is 5K?
5K is a noun.
What is the plural of 5K?
The plural of 5K is 5Ks.

Words near 5K in the dictionary

  1. 5GL
  2. 5GLs
  3. 5H
  4. 5head
  5. 5Hs
  6. 5K
  7. 5Ks
  8. 5NF
  9. 5NFs
  10. 5O
  11. 5s

Source and license

Adapted from Wiktionary: 5K (page history and authors). 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: LL-Q1860 (eng)-Vealhurl-5K.wav.

Cite this entry: “5K.” Word.ws, https://word.ws/5k. Based on Wiktionary, CC BY-SA 4.0.