also: ひとまかせ
noun
leaving to others; relying on others; depending on others
Describes the act of leaving decisions, tasks, or responsibilities to other people instead of handling them oneself. Often used in negative contexts to criticize passivity or lack of initiative.
See also: 人任せ
彼はいつも他人任せで、自分から動こうとしない。
He always leaves things to others and never takes the initiative himself.
大事な決定を他人任せにしてはいけない。
You shouldn't leave important decisions to other people.
Irregular kana usage; the reading ひとまかせ is sometimes used for 人任せ, but たにんまかせ is standard.
人任せ (ひとまかせ) is a synonym with the same meaning, but 他人任せ (たにんまかせ) is more common and explicitly uses 他人 (others).
Compound of 他人 (たにん, 'other people') and 任せ (まかせ, the noun form of 任せる 'to entrust').