Home › Words › N › ninneryninnery/ˈnɪnəɹi/ninnery · noun — ninnyish behavior; foolery; foolishness.Definition from Wiktionary (CC BY-SA 3.0).ninnery is pronounced /ˈnɪnəɹi/.EtymologyFrom ninny + -ery.nounNinnyish behavior; foolery; foolishness.e.g.“Those loose “Arabian tales” of the great border-cities, were but profane ninnery to their stern natural judgments.” — 1888, Charles M. Doughty, “Life in the Wandering Village” (chapter IX), in Travels in Arabia Deserta, Cambridge: Cambridge University Press, page 263:Definitions & examples from Wiktionary (CC BY-SA 3.0).