The term 'unburden oneself' can be summarized by two crossword solutions: 'VENT' (4 letters) and 'letitallhangout' (15 letters). Venting is a way of expressing one's feelings or emotions, usually through talking or writing. It is often used as a way to relieve stress and anxiety. Letting it all hang out is a phrase that means to express one's true feelings without worrying about the consequences. It is a way of unburdening oneself by being honest and open about one's thoughts and feelings.