Dealing with the aftermath of a matter: settling issues, sorting things out, or winding up affairs after something has happened.
事故の後始末は会社の責任で行われた。
The company took responsibility for handling the aftermath of the accident.
プロジェクトの後始末に数週間かかった。
It took several weeks to wind up the project.
トラブルの後始末をきちんとしないと、後で問題が残る。
If you don't properly deal with the aftermath of trouble, problems will remain later.
Cleaning up or tidying after an event or task; the act of putting things in order once you're finished.
パーティーの後始末はみんなで手分けしてやった。
We divided up the party cleanup among everyone.
料理を作った人が後始末まで責任を持ってくれた。
The person who cooked also took responsibility for the cleanup.