Englishleft-wing
adjective
a left-wing political group:
progressive, liberal, reforming;
socialist, leftist, ultra-left, anti-capitalist;
radical, revolutionary, militant;
communist, Marxist, communistic;
Labour, Labourite;
Marxist–Leninist, Leninist, Trotskyite, Bolshevik, Maoist;
informal , derogatory commie, lefty, red, pink, bolshie.
▷antonyms right-wing, conservative, reactionary.
left wing Oxford Dictionary of English