The term 'dissolute one' can be defined as someone who is morally unrestrained and indulges in excessive pleasure-seeking behavior. This term can be broken down into three crossword solutions: ROUE (4 letters), ROUES (5 letters), and RAKE (4 letters). ROUE is a French term meaning a man who is devoted to a life of pleasure and luxury, often with many lovers. ROUES is the plural form of ROUE. RAKE is an English term for a man who leads a life of debauchery and immorality.