leftist /ˈlɛf.tɪst/noun 2adjective 1forms 3 noun2 •A person who holds views associated with the political left.The first major clash between the two groups occurred in Shih-ho-tzu on January 26, 1967, with the leftists admitting they had suffered a bloody defeat. — 1976 •Someone who holds socialist or communist-leaning economic views, usually alongside progressive social views; an anticapitalist. adjective1 •Of or pertaining to the political left. formsleftists · more leftist · most leftist