Definition of left-wing in English English dictionary
supporting political reform to make society more egalitarian, secular, and/or democratic
Left-wing people have political ideas that are based on socialism. They said they would not be voting for him because he was too left-wing. right-wing
The left wing of a group of people, especially a political party, consists of the members of it whose beliefs are closer to socialism than are those of its other members. The left-wing of the party is confident that the motion will be carried. a left-wing person or group supports the political aims of groups such as Socialists and Communists right-wing