mephis·to·phe·lian \|mefə̇stə|fēlyən, |meˌfis-, mə̇|fis-, me|fis-, -ēlēən\adjective ormephis·tophe·lean\“, |mefə̇ˌstäfə|lēən\ Usage: usually capitalized Etymology:Mephistopheles, the devil in various versions of the Faust legend, especially that of Johann Wolfgang von Goethe died 1832 German poet + English -ian or -an : having a devilish character or aspect : saturnine < looked … slightly Mephistophelian, yet with human and lonely brown eyes — Times Literary Supplement >