The term 'procacious' is an adjective that means 'boldly rude or disrespectful'. It is related to other words such as INSOLENT, PERT, IMPUDENT, IMPERTINENT, and SASSY. INSOLENT means 'rude and disrespectful', PERT means 'boldly self-assured', IMPUDENT means 'showing a lack of respect', IMPERTINENT means 'rude and disrespectful in a way that shows a lack of respect for authority', and SASSY means 'boldly self-confident and cheeky'. All of these words are related to the term procacious and can be used to describe someone who is rude and disrespectful.