abstractionist /æbˈstɹæk.ʃən.əst/noun 2adjective 1forms 3 noun2 •Someone who supports or creates abstract art. •An idealist.She punishes abstractionists, and will only forgive an induction which is rare and casual. — 1844 adjective1 •Related or tending to abstractionism, particularly art. formsabstractionists · more abstractionist · most abstractionist