Noir/nwɑːr/ Definition 1 of 4Pro Tip 1/3Visual Imagery Noir evokes visual styles with shadows and contrast, often in a crime setting. His office had that noir look, dimly lit with vertical blinds. Pro Tip 2/3Moral Ambiguity Noir stories often involve morally ambiguous situations and characters. The noir protagonist walked a fine line between law and crime. Pro Tip 3/3Historical Era Film noir references historically to films of the 1940s-50s. She loved the noir era of Hollywood with its stylish femme fatales.