leaving everything up to someone else; entrusting completely
Describes a situation where one person delegates all responsibility to another and does not get involved afterward. Often used with verbs like する or になる.
彼に任せきりにして、私は何も手伝わなかった。
I left everything up to him and didn't help at all.
このプロジェクトは彼女に任せきりだ。
This project has been completely entrusted to her.
Standard spelling using okurigana and kana for the suffix きり.
Kanji spelling for きり; less common but still encountered.
Compound of the continuative form of 任せる (to entrust) and the suffix きり (only, just), indicating that after entrusting, nothing further is done.