Post-modern

[pohst-mod-ern] /poʊstˈmɒd ərn/

adjective
1.
noting or pertaining to architecture of the late 20th century, appearing in the 1960s, that consciously uses complex forms, fantasy, and allusions to historic styles, in contrast to the austere forms and emphasis on utility of standard architecture.
2.
extremely ; cutting-edge:
postmodern kids who grew up on MTV.
/pəʊstˈmɒdən/
adjective
1.
(in the arts, architecture, etc) characteristic of a style and school of thought that rejects the dogma and practices of any form of modernism; in architecture, contrasting with international modernism and featuring elements from several periods, esp the Classical, often with ironic use of decoration
adj.

also post-modern, post modern, by 1919, in frequent use from 1949, from post- + modern.

But it has been only during the later decades of the modern era — during that time interval that might fairly be called the post-modern era — that this mechanistic conception of things has begun seriously to affect the current system of knowledge and belief; and it has not hitherto seriously taken effect except in technology and in the material sciences. [Thorstein Veblen, “The Vested Interests and the Common Man,” 1919]

So much for the misapplied theory which has helped set the artist’s nerves a-quiver and incited him to the extremes of post modern art, literary and other. [Wilson Follett, “Literature and Bad Nerves,” “Harper’s,” June 1921]

Of architecture from 1940s; specific sense in the arts emerged 1960s (see postmodernism).