The term UNCOUTH ONE is an umbrella term for a variety of negative personality traits. The crossword solutions for this term are OAF (3 letters), LOUT (4 letters), APE (3 letters), BOOR (4 letters), CAD (3 letters), SLOB (4 letters), and YAHOO (5 letters). An OAF is someone who is clumsy or awkward in their behavior. A LOUT is someone who is rude, aggressive, and unrefined. An APE is someone who imitates others in a foolish or servile manner. A BOOR is someone who is rude and insensitive to the feelings of others. A CAD is someone who behaves in a dishonorable or irresponsible way. A SLOB is someone who is careless and untidy in their habits. Finally, a YAHOO is someone who is boorish, uncivilized, and lacking in refinement.