不真面目(ふまじめ)

ふまじめ
na-adjective
insincere; frivolous; unserious; irresponsible
personalitybehavior
1. insincere; frivolous; unserious; irresponsible
lacking in earnestness or diligence; not taking things seriously when one should
不真面目(ふまじめ)な態度(たいど)はやめなさい。
Stop being so insincere.
彼(かれ)は仕事(しごと)に不真面目(ふまじめ)だ。
He's not serious about his work.
不真面目(ふまじめ)な生徒(せいと)は先生(せんせい)に叱(しか)られた。
The unserious students were scolded by the teacher.

Forms

不(ふ) (not) + 真面目(まじめ) (serious, earnest)

CONTRAST WITH 真面目(まじめ):

  • 真面目(まじめ) (serious, earnest) - positive quality
  • 不真面目(ふまじめ) (unserious) - negative quality

Usage

Often used to criticize someone's attitude toward work, study, or responsibilities.

Related words

Related Words

Antonym: 真面目(まじめ) (serious, earnest)
Related: 不誠実(ふせいじつ) (insincere, dishonest)
Related: いい加減(かげん) (halfhearted, sloppy)
Related: ふざける (to joke around, not be serious)
general
Added 2026.1.25 20:38 · Revised 2026.9.2 13:01
08000/08274_fumajime