The term 'Does a Slow Burn' can be broken down into five crossword solutions: STEWS (5 letters), STEAMS (6 letters), SMOLDERS (8 letters), SEETHES (7 letters), and SEESRED (7 letters). All of these words refer to the act of being angry or frustrated, but in a slow-burning way. To stew is to be angry or frustrated in a prolonged manner, while to steam is to be filled with rage. Smoldering is similar to stewing, but with a greater intensity. Seething is to be filled with anger that is barely contained, and to see red is to be so angry that one's vision is affected.