The term 'dregs' is used to refer to the unwanted or undesirable parts of something. Crossword solutions for this term include 'DEBRIS' (6 letters), which are small pieces of broken material; 'SCUM' (4 letters), which is a thin layer of impurities that forms on the surface of a liquid; 'FILTH' (5 letters), which is a state of being extremely dirty; 'SILT' (4 letters), which is a type of sedimentary material; 'REFUSE' (6 letters), which is waste material; 'GARBAGE' (7 letters), which is waste material that is discarded; 'DEPOSIT' (7 letters), which is a layer of material that has been left behind; 'DROSS' (5 letters), which is a waste product; 'LEAVINGS' (8 letters), which are the remains of something that has been used up; 'SEDIMENTS' (9 letters), which are solid particles that settle at the bottom of a liquid; 'RESIDUE' (7 letters), which is a substance that remains after something else has been removed; and 'LEES' (4 letters) and 'SEDIMENT' (8 letters), which are both types of sedimentary material.