Synonyms for Meretricious (same or very similar meaning)
WordNet sense 1 (tastelessly showy):
brassy, cheap, flash, flashy, garish, gaudy, gimcrack, loud, tacky, tawdry, trashy, tatty
WordNet sense 2 (lacking aesthetic or social taste):
tasteless
WordNet sense 3 (based on pretense; deceptively pleasing):
specious, gilded
WordNet sense 4 (lacking sincerity):
insincere
From the ODE community, based on WordNet
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