From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
cantankerous /kantˈaŋkəɹəs/ mürrisch, brummig, knurrig, unleidlich, gereizt, griesgrämig, grämlich, gnatzig, bärbeißig, motzig [Dt.] , grantig [Süddt.] [Ös.] , hässig <adj> [Schw.] Synonyms: grumpy, grouchy, crotchety, crusty, narky, ornery
see: be ratty, be narky, be ornery
Note: of an old person
From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
cantankerous /kantˈaŋkəɹəs/ zänkisch, streitsüchtig <adj>