Synonyms of threadbare

1 Syllable
used, worn, old
2 Syllables
old-saw, shabby, run-down, frowzy, tackier, scruffier, scrubby, seedy, scraggly, tacky, dingier, tatty, scruffy, scrubbier, used-up, naked, faded, worn-out, potest, shabbier, starcher, triter, slipshod, tritest, ratty, leafless, seedier, dingy, ragged, boring, shopworn, well-worn, washed-out, curer, poter, hackneyed
3 Syllables
raggedy, bedraggled, damaged, ownerless, bromidic, moth-eaten, ungroomed, timeworn, tattered, impaired, injured, unthorough, bare-skinned, stark-naked, undraped, decrepit, dog-eared, unpressed, cliché-ridden, broken-down, old-chestnut
4 Syllables
commonplace, dime-a-dozen, stereotypic, warmed-over, down-at-the-heel, readymade, bareskinned, mass-produced, stereotyped, yesterday's, overused
5 Syllables
tatterdemalion, stereotypical, platitudinal, dilapidated, platitudinous