Szechwanese adjective 1noun 1forms 2 adjective1 •(old-fashioned) Of or relating to the province of Szechwan in China. noun[plural only]1 •(old-fashioned) The people of Szechwan.At this the Szechwanese rebelled, and, as the time was ripe, their action led to a nationwide revolt. — 1942 formsmore Szechwanese · most Szechwanese