Last Updated
：2026/01/12
成人
Hiragana
せいじん
Noun
Japanese Meaning
大人
Easy Japanese Meaning
おとなになったひと。きまりでおとなとされるねんれいにたっしたひと。
Chinese (Simplified) Meaning
成年人 / 达到法定成年年龄的人 / 已长大成熟的人
Chinese (Traditional) Meaning
成年的人 / 已達法定年齡者 / 大人
Korean Meaning
성인 / 어른 / 성년자
Indonesian
orang dewasa / orang yang telah mencapai usia dewasa
Vietnamese Meaning
người trưởng thành / người lớn / người đã đủ tuổi thành niên
Tagalog Meaning
taong nasa hustong gulang / may sapat na gulang / adulto
Sense（1）
an adult; a grown-up
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
See correct answer
成人
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After becoming an adult, it is important to act responsibly.
After becoming an adult, it is important to act responsibly.
See correct answer
成人になってからは、責任を持って行動することが大切です。
Japanese - English
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