Left wing and Left-wing

Left wing noun - A political belief stressing progress, the essential goodness of humankind, and individual freedom.

Left-wing and left wing are semantically related. In some cases you can use "Left-wing" instead a noun phrase "Left wing".

Left-wing adjective - Believing in or supporting tenets of the political left.

Left wing and left-wing are semantically related. Sometimes you can replace phrase "Left wing" with "Left-wing", this phrases are similar.