WORTHLESS MATTER is a term used to describe materials that are of no value or use. The crossword solutions for WORTHLESS MATTER include DROSS (5 letters), CHAFF (5 letters), GARBAGE (7 letters), TRASH (5 letters), JUNK (4 letters), and SLAG (4 letters). DROSS is a waste product of smelting, while CHAFF is the husks of grains that are separated from the grain during threshing. GARBAGE is a term used to describe discarded material, such as food waste, that is considered to be of no value. TRASH is a term used to describe items that are discarded as being of no value or use. JUNK is a term used to describe items that are old, broken, or of no value. SLAG is a by-product of metal smelting that is considered to be of no value.