postmodern

adj. belonging to the postmodern movement in art and architecture (supports use of complex and decorative styles, with emphasis on local historical styles - opposed to the principles of modernism)

Postmodernism is a term applied to a wide-ranging set of developments in critical theory, philosophy, architecture, art, literature, and culture, which are generally characterized as either emerging from, in reaction to, or superseding, modernism. Postmodernism (sometimes abbreviated Pomo) was originally a reaction to modernism (not necessarily "post" in the purely temporal sense of "after"). Largely influenced by the disillusionment induced by the Second World War, postmodernism tends to refer to a cultural, intellectual, or artistic state lacking a clear central hierarchy or organizing principle and embodying extreme complexity, contradiction, ambiguity, diversity, and interconnectedness or interreferentiality.
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Adjective
1. of or relating to postmodernism; "postmodernist architecture"
(synonym) postmodernist
(pertainym) postmodernism

Of, relating to, or being any of several movements that emerged in the 20th century against establishmentarian nontraditionalism (which was characterized by rationalism, objectivism, realism, and faith in technology).

Alas, there are a two similar but critically different meanings of the term become confused.  Most people want to say, however, that postmodernism originated in the middle of the twentieth century and was a rejection of the "modern " or "modernism.".
The most prominent one, however, is probably Jean-Francois Lyotard 's definition of postmodernism as an incredulity towards meta-narratives . This means the postmodern is one who is skeptical of  theories that speak in grand generalities and that universalize their conclusions. Translated into therapy theory this often means that the therapist works to
avoid dogmatic posturing about the "Truth" of the client's situation.  In discussion forums this may mean that the quest is not for consensus around some grand statement of the truth but for paralogy . This kind of postmodernism tends to be utopian and visionary, imagining that postmodernism can bring us better lives.
On the other hand, postmodern sometimes means disillusionment with the standard way of understanding things.  In this case, the therapist tries to offer a more correct (or helpful?) way of thinking and these helpful ways tend to be counter-intuitive for mainstream cultural thinking. In this case, therapists often talk about the dominant or oppressive narrative and offer, in its stead, a preferred narrative. Some disillusioned postmoderns, however, are nostalgic, feeling even that the loss of the metanarrative devastates mental health and that we should fight
postmodernism in order to to make it a better world.
There is, therefore, an ongoing controversy about postmodernism that revolves partly around different definitions of the term.