Home › Words › N › nidderniddernidder means to keep down or under.Among words judged in Lexicurio's Arena, nidder ranks #456 of 42,752 for Qualifying.EtymologyFrom a dialectal variant of nither, nether.verbTo keep down or under.To press hard upon; straiten (applied to bounds).To pinch or starve with cold or hunger; stunt in growth.To harass; grill; plague; annoy.Definitions & examples from Wiktionary (CC BY-SA 3.0).