Meanings
plural imoutos
- slanganimeA little sister.
::laughs:: it's ok. Josh only tolerates it becuase ^([sic]) I'm his imouto and am only joking.
1999 January 10, Animeg3282, “Recent flow of posters from AFSM to AGFF and vice versa...”, in alt.games.final-fantasy (Usenet)4 more examples
The mirror was going to take you, just like it - like it almost took Mom, and Dad, and imouto. I couldn't let it take you... I love you, onee-san. Please, can you ever forgive me?
1999 July 13, Vctr113062, “[TK3 fanfic] "Phoenix" Ch. 19, 2/4”, in alt.games.video.sony-playstation (Usenet)Second, why do all the girls correspond so well to accepted anime character archetypes? (We have at the least, Triela the tsundere, Claes the incho, Rico the bokke, Angelica as the sick girl, and Henrietta the imouto.)
2007 February 1, Abraham Evangelista, “10 Year Retrospective - My Least Favorites”, in rec.arts.anime.misc (Usenet)I have to say I didn't have trouble with the cannon fodder, although the imouto is *extremely* annoying and needs a good spanking. She's too old to be acting like a brat.
2011 January 30, Captain Nerd, “Jan '11 New Anime series - my thoughts thru 3 eps”, in rec.arts.anim.misc (Usenet)I mean, an utilitarian analysis, knowing in hindsight that little imoutos are the best thing that can happen to any anime lover, would clearly have revealed that her constantly kicking my balls when we were small enough to share a bath tub was not to be mistaken for ill intent, and that her nagging about my bicycle riding style when I carried her on the back seat was just natural
2015 September 20, pataphor, “Bantu versus Baby5: A critique of utilitarianism”, in alt.angst (Usenet)
Origin
- Japaneseいもうと
- Englishimouto
Borrowed from Japanese いもうと (imōto).
More words from Japanese
Full word history & related roots →Cite this entry
imouto. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/imouto
“imouto.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/imouto. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “imouto,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/imouto.
Source: imouto on Wiktionary, CC BY-SA 4.0.