Noun

1. (collectively) The sediment settled at the bottom of a liquid; the lees in a container of unfiltered wine.
2. The worst and lowest part of something.

   the dregs of society

3. bad person

Synonyms

• debris, deposit, draff, dross, exuviate, feculence, grounds, grouts, lees, orts, rabble, refuse, residue, residuum, riffraff, rubbish, scum, sediment, settling, trash, loser, outcast,