Synonyms of discarded

2 Syllables
run-down, has-been, old-school, junked, worn-out, shelved, dropped, scrapped, old-hat, jilted, castoff
3 Syllables
damaged, ownerless, deserted, castaway, outmoded, forsaken, disused, side-tracked, useless, neglected, out-of-date, unheeded, dinosaur
4 Syllables
out-of-fashion, repudiated, pigeon-holed, remaindered, abandoned, obsolete, discontinued
5 Syllables
anachronistic