adjectival noun or quasi-adjective, takes genitive case の, noun

  1. meticulous, careful, discreet, scrupulous, prudent.

Variations

Pronunciation Kanji Kana Is Common
細心 さいしん

Contained Kanji Breakdown

dainty, get thin, taper
サイ こま.か ほそ.い (2nd, N2)
thread
いと シ (1st, N2)
short thread radical (no. 52)
ヨウ ちいさい (Kentei 1)
little, small
ショウ こ- ちい.さい (1st, N5)
feathered stick, barb radical (no. 6)
ケツ かぎ (Kentei 1)
eight, eight radical (no. 12)
ハチ や はっ (1st, N5)
rice field, rice paddy
た デン たん (1st, N4)
heart, mind, spirit
こころ シン (2nd, N4)