Origin of leftist
Examples from the Web for leftism
The trouble is this: when “leftism” becomes an identity element, it makes leftist politics involuntary.
Sarkozy, after all, campaigned against the excesses of 1960s leftism.
No sooner does the Left of some party break off and found a new party than it is immediately confronted by its own Leftism.The Fruits of Victory|Norman Angell