(adjective) of, relating to, or being an era after a modern one / (adjective) of, relating to, or being any of various movements in reaction to modernism that are typically characterized by a return to traditional materials and forms (as in architecture) or by ironic self-reference and absurdity (as in literature) / (adjective) of, relating to, or being a theory that involves a radical reappraisal of modern assumptions about culture, identity, history, or language
In Jean-François Lyotard’s epochal definition, postmodernity was identified as the era that has grown to be suspicious of the grand metanarrative. On this account, postmodernity is a cultural condition of disillusionment with the kinds of grandiose narratives represented by capitalist, liberal and communist accounts of progress.