flashy vs tacky

flashy and tacky both are adjectives.

Word	Noun	Adjective	Verb	Adverb
flashy	No	Yes	No	No
tacky	No	Yes	No	No

As adjectives, flashy and tacky are synonyms defined as:

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

flashy (adjective)	tacky (adjective)
(used especially of clothes) marked by conspicuous display	tastelessly showy
tastelessly showy	(of a glutinous liquid such as paint) not completely dried and slightly sticky to the touch