Immoderate and Left-wing

Immoderate adjective - Going beyond a normal or acceptable limit in degree or amount.

Left-wing and immoderate are semantically related In some cases you can use "Left-wing" instead an adjective "Immoderate".

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

Immoderate and left-wing are semantically related in extreme topic. Sometimes you can use "Immoderate" instead an adjective phrase "Left-wing".