Postmodernism is an approach to thinking about human activity and its signs across many fields, especially culture, philosophy, and art. It is not a single, sharply defined movement but a set of attitudes and arguments that became prominent in the mid‑ to late‑20th century.
Basic ideas
A core claim often associated with postmodern thought is skepticism about fixed, objective truths. Rather than seeing knowledge as a mirror of an external reality, this perspective treats knowledge as produced by people and institutions; what we call facts or truths are embedded in social practices and language (knowledge). Because knowledge is viewed as constructed, assertions of absolute or final truth are treated with suspicion.
From this point of view, competing beliefs are understood as different ways of making sense of the world. Attempts to impose one account on everyone are therefore interpreted not simply as persuasion but as an exercise of social power. Postmodern critiques emphasize how claims to universality can hide particular interests or exclusions; they also draw attention to how meanings shift over time and across communities (cultural perspectives).
Relation to modernity and science
Postmodern ideas developed in part as a reaction to the Enlightenment faith in continual social improvement and the early‑20th‑century confidence in scientific progress. Supporters of modern projects often believed that advances in science and reason would reliably lead to social progress. Postmodern critics question that narrative, arguing that "progress" is not an objective endpoint but a contested idea and that the effects of technological and social change can be both beneficial and harmful. This critique was especially directed at Modernism and its grand, totalizing explanations of history and culture, a point discussed by many thinkers in philosophy.
Art, literature and aesthetics
In the arts, postmodern positions tend to reduce the authority of traditional evaluative hierarchies. Works of literature, music or visual art are frequently treated as open to multiple interpretations and as self‑conscious about their own construction. Postmodern creative practices often use parody, pastiche, collage, and irony, and they may question the distinction between 'high' and 'low' art. Architecture and design likewise explored eclectic historical references and decorative surfaces rather than strict functionalism (architecture), while composers and performers experimented with forms that blurred established genres (music).
Disciplines influenced
Postmodern ideas have been taken up across a range of academic and professional areas. They appear in literary theory and criticism, and they have shaped debates in philosophy, sociology, and linguistics. They affect how scholars study institutions and texts, and they inform questions about meaning, identity, and power. The influence extends to built environments and practice: architecture and design have both incorporated postmodern strategies, and historians and legal theorists have used postmodern critiques to reexamine narratives and doctrines (history, law). The term also connects to research on social life and the study of society, and it reappears in discussions of literature and cultural criticism.
Social and cultural effects
Beyond academic disciplines, postmodern sensibilities have influenced how people think about personal and public life. Debates about love and changing models of marriage, the rise of popular culture as a subject of serious study, and analyses of economic shifts in the Western world—for example, the transition from an industrial toward a service economy—are often informed by postmodern questions about meaning, value and power.
The label postmodernity is commonly used for the historical period in which these ideas became influential (roughly the second half of the 20th century). Some commentators argue that the cultural prominence of postmodernism has waned in recent decades and that new intellectual currents have superseded it in certain fields, especially in contemporary literature and theory.