WordNet sense 1 (tastelessly showy):

brassy, flash, flashy, garish, gaudy, gimcrack, loud, meretricious, tacky, tawdry, trashy, tatty

WordNet sense 2 (lacking aesthetic or social taste):

tasteless

WordNet sense 3 (of very poor quality; flimsy):

bum, cheesy, chintzy, crummy, punk, sleazy, tinny

WordNet sense 4 (of low or inferior quality):

inferior

WordNet sense 5 (embarrassingly stingy):

chinchy

WordNet sense 6 (unwilling to spend):

stingy, ungenerous, stingy

WordNet sense 7 (relatively low in price or charging low prices):

inexpensive