1.
indifferent, unconcerned, careless
Not paying attention to or caring about something, particularly appearance, manners, or details that others typically notice.
服装に無頓着だ。
He is indifferent to clothing.
彼は時間に無頓着で、いつも遅刻する。
He is careless about time and is always late.
食べ物に無頓着な人もいれば、こだわる人もいる。
Some people are indifferent about food, while others are particular about it.
FORMS:
- Predicative: 無頓着だ
- Modifier: 無頓着な + noun
USAGE:
Almost always used with the particle に to indicate what one is indifferent about: ～に無頓着. Common topics include 服装 (clothing), 身だしなみ (grooming), 食べ物 (food), and 時間 (time).
ETYMOLOGY:
無 (without) + 頓着 (concern, care). 頓着 alone is rarely used in modern Japanese.