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Borrowed from Japanese ヤンデレ (yandere), a portmanteau of 病んでる (yanderu), contraction of 病んでいる (yandeiru), progressive tense of 病む (yamu, to be sick), and デレデレ (dere-dere, to become lovey-dovey, infatuated, lovestruck).[1][2]
Developed on the model of tsundere (being cold and even hostile towards another person before gradually showing a warm and caring side over time).


Wikipedia has an article on:
  • IPA(key): /ˈjɑːndɛɹeɪ/


yandere (plural yandere)

  1. (chiefly Japanese fiction) A character, usually a girl, who fits the archetype of being genuinely kind, loving, or gentle, but suddenly switching to being aggressive or deranged, often homicidally so.
    • 2009 October 4, sanjian [username], “Re: Bakemonogatari - comments on the end of the TV broadcast”, in rec.arts.anime.misc, Usenet[2]:
      And it finally answered the question as to whether Senjougahara is tsundere or yandere.
    • 2012, Jazmine Brusola, Rabble Rousers: A Fate/Zero Anime Review[3], Flyleaf (Ateneo Literary Association), page 14:
      Looking at anime charts, there's always the harem series with the dense hero and a bunch of girls whose personalities are pulled out of a set cast of tropes (the Childhood Friend, Tsundere, Yandere, and Lolita, for instance).
    • 2014, Olivia D. Knight, Please, Let Me Be a Seiyuu!, BookRix, ↑ISBN, page unnumbered:
      “Believe it, man. In fact, she's seriously creepy. Like creepier than that pink-haired girl from Future Diary.”
      “Wait, what?” Sam got that reference quickly, but was not happy with the comparison. She wasn't a psychopathic, murderous Yandere stalker, from what he could see.
    • For more examples of usage of this term, see Citations:yandere.

Related terms[edit]



  1. ^ Richard W. Kroon (2010) A/V A to Z: An Encyclopedic Dictionary of Media, Entertainment and Other Audiovisual Terms, McFarland & Company, ↑ISBN, page 760
  2. ^ “Tsundere, Yandere, Kuudere, Dandere - Meaning”, in Japanese with Anime[1], 21 July 2016, Yandere ヤンデレ