Hardly Gentlemanly is a term used to describe behavior that is not appropriate for a gentleman. The two crossword solutions, RUDE (4 letters) and Downanddirty (12 letters), both describe behavior that is not gentlemanly. RUDE implies a lack of respect or politeness, while Downanddirty implies a lack of decorum or propriety. Both terms are used to describe behavior that is not considered to be appropriate for a gentleman.