wash (one's) hands of (someone or something)
1. To absolve oneself of or distance oneself from responsibility for something. I don't want to be part of this scheme any more. I wash my hands of it.
2. To renounce, abandon, or distance oneself from someone or something. The director famously hated the final cut of the movie and has washed his hands of it, even going so far as to remove his name from the project. I'm afraid that if I tell my parents what I've done, they will wash their hands of me.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.