left-wing /ˈlɛftˈwɪŋ/ adjective Learner's definition of LEFT-WING
: of, relating to, or belonging to the political Left : having or supporting ideas and policies that are associated with liberal or socialist groups左派的;左翼的 — left-winger
/ˈlɛftˈwɪŋɚ/ noun, plural left-wingers [count]