gimcrack vs meretricious

gimcrack is a noun but meretricious is not a noun.

Word	Noun	Adjective	Verb	Adverb
gimcrack	Yes	Yes	No	No
meretricious	No	Yes	No	No

As adjectives, gimcrack and meretricious are synonyms defined as:

Other synonyms of gimcrack include brassy, cheap, flash, flashy, garish, gaudy, loud, tacky, tatty, tawdry, trashy.

gimcrack (noun)	meretricious (noun)
ornamental objects of no great value

gimcrack (adjective)	meretricious (adjective)
tastelessly showy	like or relating to a prostitute
	based on pretense; deceptively pleasing
	tastelessly showy