The term 'not polite' can be described by four different words of varying lengths: RUDE (4 letters), SASSY (5 letters), AUDACIOUS (9 letters) and BAREFACED (9 letters), as well as the longer word DISCOURTEOUS (12 letters). RUDE is defined as impolite or offensive in behavior or language, while SASSY is defined as disrespectful or cheeky. AUDACIOUS is defined as daring and bold, and BAREFACED is defined as shamelessly bold or impudent. Finally, DISCOURTEOUS is defined as lacking in politeness or good manners. All of these words can be used to describe someone who is not polite.