garish vs tacky

garish and tacky both are adjectives.

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

As adjectives, garish and tacky are synonyms defined as:

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

garish (adjective)	tacky (adjective)
tastelessly showy	tastelessly showy
	(of a glutinous liquid such as paint) not completely dried and slightly sticky to the touch