Expressing disdain can be done in a variety of ways. Sneering, which is done by curling one's lip to show contempt or ridicule, is a seven letter word for expressing disdain. Tsked, which is an expression of disapproval or disappointment, is a five letter word for expressing disdain. Snorted, which is a short, explosive sound made to express contempt or derision, is a six letter word for expressing disdain.