noun, takes する, transitive verb

  1. entrusting (everything to), leaving (a matter) entirely with.

Variations

Pronunciation Kanji Kana Is Common
一任 いちにん

Contained Kanji Breakdown

one, one radical (no.1)
イチ いっ ひと- (1st, N5)
responsibility, duty, term
まか.せる ニン とう (5th, N3)
human radical (no. 9)
9th calendar sign
みずのえ ジン ニン (Kentei Pre-1)
katakana no radical (no. 4)
ヘツ えい よう (Kentei 1)
soil, earth, ground
ド つち は (1st, N5)