adjectival noun or quasi-adjective, noun

Usually written with kana alone.
  1. carefree, optimistic, careless, reckless, heedless, happy-go-lucky, easygoing, thoughtless.

Variations

Pronunciation Kanji Kana Is Common
 
 
 
のんき
呑気
呑気 のんき
暢気
暢気 のんき
暖気 のんき
 
 
のん気 のんき
 
 
 
ノンキ