不真面目(ふまじめ)

ふまじめ
na-adjective
insincere; frivolous; unserious; irresponsible
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.

FORMATION:
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:

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