adjectival noun or quasi-adjective, noun

  1. overserious, deeply sincere, very earnest.

Variations

Pronunciation Kanji Kana Is Common
生真面目 きまじめ
 
 
 
生まじめ きまじめ
 
 
 
気まじめ きまじめ
気真面目 きまじめ

Contained Kanji Breakdown

life, genuine, birth
セイ い.きる う.まれる (1st, N5)
true, reality, Buddhist sect
シン ま まっ (3rd, N4)
ten
ジュウ ジッ ジュッ (1st, N5)
tool, utensil, means
グ そな.える つぶさ.に (3rd, N3)
daybreak, dawn, morning
タン あき.らか あきら (11th, N1)
day, sun, Japan
ひ にっ ニチ (1st, N5)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
eight, eight radical (no. 12)
ハチ や はっ (1st, N5)
mask, face, features
メン おも つら (3rd, N3)
eye, class, look
め モク ボク (1st, N4)