Etymology
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superhero + -ism
superheroism (uncountable)
- The state of being a superhero.
2009 July 19, Marilyn Stasio, “Death in the Dust Bowl”, in New York Times[1]:But it isn’t her feats of superheroism that give the story its chilly sense of reality; it’s her casual acceptance of the almost universal corruption of everyone who lives in her world.