This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. superlative form of arty: most arty.

"It shows on "How I Got Over," the artiest in a string of moody, noncommercial albums that the Philadelphia hip-hop institution has squeezed out through the otherwise conservative Def Jam Recordings in recent years."