Informal Of or relating to artists or the fine arts.(adjective)
Informal Showily or affectedly artistic.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "arty" in a sentence
"So-called "arty" movies actually do bear re-watching."
"Their sound is perhaps best described as arty chamber rock, and like Department of Eagles many of their songs swell toward cathartic, unsettling conclusions."
"I tend to like a lot of games that are "arty", but I would be wary of games becoming legitimate because with legitimacy comes stagnation and boredom."