overgeneralization noun2 •The act of overgeneralizing."George Orwell put the easy use of words like 'unique' under the headings of 'pretentious diction' and overgeneralization. — 1995 •An instance of overgeneralizing.It's an overgeneralization to say that everywhere you look is the hand of man in the presettlement era," says Thomas Swetnam, a fire ecologist at the University of Arizona in Tucson. — 2000 formsovergeneralizations