Word.ws English Dictionary

desu

UK/ˈdɛsuː/

desu particle: used at the end of a sentence as an assertive particle.

Particle

desu

  1. (humorous, slang) Used at the end of a sentence as an assertive particle.
    • this desu
    • My contribution desu.2002 March 20, Mahoronyan [username], “Re: I was wrong about Kokoro Library...”, in rec.arts.anime.misc (Usenet)

Origin of desu

Borrowed from Japanese です (desu, “be”), the polite form of the Japanese copula, found most often at the end of a sentence. Know Your Meme attributes its spread to 4chan memes of the Rozen Maiden character Suiseiseki who ends every sentence with desu (see also キャラ語尾).

Questions about desu

What does desu mean?
Desu means used at the end of a sentence as an assertive particle.
What part of speech is desu?
Desu is a particle.
How do you pronounce desu?
Desu is pronounced /ˈdɛsuː/ (UK).

Words near desu in the dictionary

  1. destruents
  2. destruxin
  3. destruxins
  4. dests
  5. destunk
  6. desu
  7. desubjectification
  8. desubjectifications
  9. desubjectified
  10. desubjectifies
  11. desubjectify

Source and license

Adapted from Wiktionary: desu (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:

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