1.Definition: based on pretense; deceptively pleasing

"Meretricious praise", "A meretricious argument"

Related Adjective(s):gilded, glossy, specious

2.Definition: like or relating to a prostitute

"Meretricious relationships"

3.Definition: tastelessly showy

"A meretricious yet stylish book"

Related Adjective(s):brassy, cheap, flash, flashy, garish, gaudy, gimcrack, loud, tacky, tatty, tawdry, trashy