1.
serious, earnest
Describes someone who takes things seriously and is sincere.
真面目に考えている。
I'm thinking about it seriously.
2.
diligent, hardworking
Describes someone who works conscientiously and responsibly.
3.
honest, straightforward
Describes an honest and upright character.
真面目 is a na-adjective meaning 'serious,' 'earnest,' or 'diligent.'
Forms:
- Adverbial: 真面目に
- Modifier: 真面目な + noun
Conjugation:
- Negative: 真面目ではない / 真面目じゃない
- Te-form: 真面目で
- Past: 真面目だった
Usage notes:
- Generally positive, describing reliability and conscientiousness
- Can have a slight negative nuance (boring, inflexible) when used with すぎる or in certain contexts
- 真面目な話 means 'seriously speaking' or 'a serious matter'
Orthography: Often written in hiragana as まじめ, especially in casual contexts. The kanji 真面目 is also common.
Common collocations: 真面目に取り組む (to work on earnestly), 真面目な性格 (serious personality).