The term MORE UNCOUTH is composed of three crossword solutions: CRASSER (7 letters), RUDER (5 letters), and CRUDER (6 letters). All three words are synonyms for the adjective 'UNCOUTH, ' which means lacking in refinement or good manners. CRASSER is the most extreme form, meaning crude or offensive in behavior or language. RUDER is slightly less extreme, meaning impolite or disrespectful. CRUDER is the least extreme, meaning lacking in sophistication or refinement.