Same word as tacky:

broken-down, crude, dilapidated, dingy, dowdy, down-at-heel, faded, frumpy, gaudy, inelegant, mangy, messy, nasty, out-of-date, outmoded, poky, ratty, run-down, seedy, shabby, shoddy, sleazy, sloppy, slovenly, stodgy, threadbare, unbecoming, unkempt, unstylish, unsuitable, untidy, vulgar