noun

  1. adult (esp. person 20 years old or over), grownup.

noun, takes する

  1. becoming an adult, coming of age, growing up (to be a man, woman).

Variations

Pronunciation Kanji Kana Is Common
成人 せいじん

Contained Kanji Breakdown

turn into, become, get
セイ な.る ジョウ (4th, N3)
5th calendar sign
つちのえ ボ ボウ (Kentei Pre-1)
katakana no radical (no. 4)
ヘツ えい よう (Kentei 1)
halberd, arms, festival car
ほこ カ ほこづくり (Kentei 1)
piling, ceremony radical (no. 56)
ヨク いぐるみ (Kentei 1)
hooked enclosure
person
ひと ニン ジン (1st, N5)