the section of a political party or system that advocates greater social and economic equality, and typically favours socially liberal ideas; the socialist or progressive group or section

she has energized the left wing of the party

the left side of a team on the field in soccer, rugby, and field hockey

his usual position on the left wing

advocating or taking measures to promote greater social and economic equality, and typically favouring socially liberal ideas; socialist or progressive

left-wing activists

left-wing causes

he was mildly left wing