From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
silly /sˈɪli/ Dummer <masc>, Dummerchen <neut>, Dummchen <neut> [ugs.] "He's no silly-billy / dummy." - Er ist nicht dumm. "Don't be a silly!" - Sei kein Dummchen! Synonyms: silly-billy, dummy
From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
silly /sˈɪli/ albern, blöd, dümmlich, quatschig [Dt.] , schräg <adj> Note: Person und Sache Synonyms: foolish, dippy, daft, daffy, goofy
From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
silly /sˈɪli/ dumm, dämlich [Dt.] [Schw.] , dusselig [Dt.] [Schw.] , dusslig [Norddt.] , doof [Norddt.] [Mitteldt.] , blöde [Norddt.] [Mitteldt.] , deppert [Bayr.] [Ös.] [ugs.] , töricht [geh.] , beknackt <adj> [Dt.] [ugs.] Note: Person Synonyms: stupid, foolish, dumb, dopey, doltish, air-headed, gormless, dull
see: sillier, more stupid, more foolish, dumber, more dopey, doltisher, more gormless, duller, silliest, most stupid, most foolish, dumbest, most dopey, doltishest, most gormless, dullest, as thick as they come, thick as a plank, thick as two (short) planks, be (as) thick as two short planks, play dumb, act dumb, Silly me! I've locked myself out of the car.
From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
silly /sˈɪli/ dumm, dämlich, blöd, stupid <adj> [geh.] Note: Sache "silly mistakes." - dumme Fehler Synonyms: stupid, asinine, fatuous
From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
silly /sˈɪli/ läppisch <adj>
From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
silly /sˈɪli/ närrisch <adj> Synonyms: crazy, mad, scatterbrained
see: silly season
From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
silly /sˈɪli/ <adj> quatschig <adj> [ugs.] [selten] Synonym: goofy