Obnoxious sorts are people who are difficult to deal with due to their unpleasant behavior. The term can be broken down into two crossword solutions: TOOLS (5 letters) and JERKS (5 letters). TOOLS refers to someone who is used by others for their own gain, while JERKS refers to someone who is rude or obnoxious. Together, these two words describe someone who is not only difficult to deal with, but also selfish and inconsiderate.