一 任(いちにん)

いちにん

noun (する verb)

entrusting entirely

1. entrusting entirely, leaving everything to

Entrusting a matter completely to someone else's judgment or discretion, without conditions or reservations.

判断(はんだん)を一任(いちにん)する。

I'll leave the decision entirely to you.

デザインは専門家(せんもんか)に一任(いちにん)した。

I left the design entirely to the expert.

交渉(こうしょう)の細(こま)かい部分(ぶぶん)は弁護士(べんごし)に一任(いちにん)することにした。

I decided to leave the details of the negotiation entirely to the lawyer.

WORD FORMATION:
一(いち) (one, entirely) + 任(にん) (entrusting)

PATTERN:
～に一任(いちにん)する: to leave entirely to ~

NUANCE:
Implies complete trust and delegation. Stronger than 任(まか)せる (to leave to someone) — 一任(いちにん) means giving full authority with no conditions attached. Commonly used in business, legal, and organizational settings.

COMMON COLLOCATIONS:

判断(はんだん)を一任(いちにん)する: to leave the judgment to someone
議長(ぎちょう)に一任(いちにん)する: to leave it to the chairman
対応(たいおう)を一任(いちにん)する: to entrust the handling of a matter

general

Added 2026.2.9 13:11

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