The crossword solution for the term 'WASH ONE'S HANDS' is DISOWN, which is a 6 letter word. DISOWN means to reject or disavow responsibility for someone or something, or to refuse to acknowledge them as one's own. It is often used in the context of a parent disowning a child, or a person disowning their beliefs or actions. Washing one's hands is a metaphor for disowning something, as it is a way of symbolically washing away any responsibility or involvement.