left wing

WordReference Random House Learner's Dictionary of American English © 2025

ˈleft ˈwing, n. [countable* usually: the + ~]

1. Government the liberal or radical element in a political party or other organization.

left--wing, adj.: 

left-wing politics.

left--wing•er, n. [countable]

WordReference Random House Unabridged Dictionary of American English © 2025

left′ wing′, 

1. Government members of a liberal or radical political party, or those favoring extensive political reform.
2. Government such a party or a group of such parties.
3. Government the part of a political or social organization advocating a liberal or radical position.
• 1700–10
left′-wing′, adj. 
left′-wing′er, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

left wing noun

1. (often capital) the leftist faction of an assembly, party, group, etc; the radical or progressive wing
2. the left-hand side of the field of play from the point of view of either team facing its opponents' goal
3. a player positioned in this area in certain games

adjective left-wing

1. of, belonging to, or relating to the political left wing

ˌleft-ˈwinger noun