tacky vs trashy

tacky and trashy both are adjectives.

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

As adjectives, tacky and trashy are synonyms defined as:

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

tacky (adjective)	trashy (adjective)
tastelessly showy	tastelessly showy
(of a glutinous liquid such as paint) not completely dried and slightly sticky to the touch	cheap and inferior; of no value