From German - English Ding/FreeDict dictionary ver. 1.9-fd1:
klass /klˈas/ <adj> [Ös.] great <adj>gr8, /ɡˌeːˈɛɾ ˈaxt/ , super <adj> [coll.] , super-duper <adj> [coll.] [humor.] , ace <adj> [Br.] [coll.] , boss <adj> [slang] , bodacious <adj> [Am.] , grouse <adj> [Austr.] [NZ] [slang] Synonyms: toll, spitze, spitzenmäßig, super, genial, prima, klasse, dufte, knorke, pfundig, leiwand, schnafte