Genre of art and literature and especially architecture in reaction against principles and practices of established modernism WordNet 3.0 & Open English WordNet

Postmodernism is an intellectual stance or mode of discourse characterized by skepticism toward the "grand narratives" of modernism; rejection of epistemic certainty or the stability of meaning; and sensitivity to the role of ideology in maintaining political power. Wikipedia

Philosophical concept. Wikipedia Disambiguation

Philosophical and artistic movement Wikidata

Any style in art, architecture, literature, philosophy, etc., that reacts against an earlier modernist movement. Wiktionary