Shanghainese adjective 2noun 1forms 2 adjective2 •Of or pertaining to Shanghai. •Of or pertaining to Shanghai and the surrounding areas like the Lower Yangtze Delta region like parts of the provinces of Jiangsu, Zhejiang, and Anhui noun1 •Inhabitant of Shanghai; person of Shanghainese descent. formsmore Shanghainese · most Shanghainese