Synonyms for Gimcrack (same or very similar meaning)
WordNet sense 1 (ornamental objects of no great value):
frill, gimcrackery, nonsense, trumpery, folderal, falderolWordNet sense 2 (tastelessly showy):
brassy, cheap, flash, flashy, garish, gaudy, loud, meretricious, tacky, tawdry, trashy, tattyWordNet sense 3 (lacking aesthetic or social taste):
tastelessFrom the ODE community, based on WordNetadd/edit