noun, na-adjective, noun which may take the genitive case particle 'no'
irritability; peevishness; hot temper
Describes a personality trait or temporary state of being easily annoyed, quick to anger, or touchy. Often used with な or の to modify nouns.
He is irritable and gets angry at the slightest thing.
I want to fix my irritable personality.
短気 also means quick-tempered, but emphasizes impatience and a short fuse, while 癇性 focuses more on a generally irritable, peevish disposition.
気難しい describes someone who is hard to please or moody, whereas 癇性 is specifically about being easily irritated or touchy.
Most common kanji spelling for this word.
Variant kanji spelling; less common than 癇性.
Rare variant using 疳 instead of 癇.
Composed of 癇 (かん, 'nervousness' or 'irritability') and 性 (しょう, 'nature' or 'temperament'). The exact historical derivation is uncertain, but the combination directly conveys a temperament prone to irritation.