いちにんまえ 一人前になる Show inflections LinksSentence search for 一人前になるSentence search for いちにんまえになるKanji details for 一, 人 and 前Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with ru ending1. to come of age; to become an adult; to become fully qualified; to stand on one's own Discussions Log in to talk about this word.