chuunibyou
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
The often edgy or pretentious behavior of early adolescents who want to stand out and who have convinced themselves they have hidden knowledge or secret powers, characterized as a sickness.
Register: derogatory, slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
One who acts in a manner typical of chuunibyou.
Register: derogatory, slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “chuunibyou” mean?
The often edgy or pretentious behavior of early adolescents who want to stand out and who have convinced themselves they have hidden knowledge or secret powers, characterized as a sickness.
Is “chuunibyou” formal or informal?
chuunibyou is generally derogatory, slang.