(きげん)()

きげんや
noun
moody person; someone whose behavior changes with their mood
personalityperson
1. moody person; someone whose behavior changes with their mood
A person whose attitude, cooperativeness, or temperament fluctuates noticeably depending on their mood at any given time.
あの(ひと)機嫌(きげん)()から()をつけて。
That person is moody, so be careful.
When the boss is moody, the workplace atmosphere changes from day to day.
If you don't adjust how you deal with a moody friend, it'll wear you out.

Composed of 機嫌(きげん) (mood; humor) + () (person characterized by a trait). The suffix () here marks someone defined by the quality — similar to (おこ)りん(ぼう) (hothead) or (さび)がり() (lonely person). Carries a mildly negative nuance, implying the person is difficult or unpredictable to deal with.

Common collocations

Similar words

  • 気分(きぶん)(): a moody or whimsical person — very close synonym, slightly more common
  • ()まぐれ: capricious; whimsical — emphasizes unpredictability of decisions and preferences
  • 短気(たんき): short-tempered — specifically about getting angry quickly, not general moodiness