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general::
Phrase(s): wash one’s hands of someone or something
Fig. to end one’s association with someone or something. (Fig. on the notion of getting rid of a problem by removing it as if it were dirt on the hands.) • I washed my hands of Tom. I wanted no more to do with him. • That car was a real headache. I washed my hands of it long ago.
McGrawhill's American Idioms And Phrasal Verbs