trash 19 synonyms and 0 antonyms for trash, ranked by how commonly they're used. Noun — Discarded material; garbage or rubbish. Synonyms for trash garbage (1-3) junk (1,3) rubbish waste cultch debris dreck drek garbage junk litter pelf piece of crap piece of garbage pile of crap piece of trash roughage service item stuff ← Back to the full definition of trash