The term 'worthless stuff' can be defined by the following crossword solutions: DROSS (5 letters), REFUSE (6 letters), TRIPE (5 letters), DRECK (5 letters), JUNK (4 letters), and TRASH (5 letters). DROSS is a waste product of smelting or refining processes, REFUSE is any unwanted material, TRIPE is something of little value or worth, DRECK is something of very poor quality, JUNK is discarded material that is no longer useful, and TRASH is items that are considered worthless. All of these words refer to items that are considered to be of no value or use.