As nouns the difference between postimpressionism and dadaism

is that postimpressionism is (arts) a genre of painting that rejected the naturalism of impressionism, using colour and form in more expressive manners while dadaism is a cultural movement that began in neutral , switzerland, during world war i and peaked from 1916 to 1920, which involved visual arts, literature (poetry, art manifestos, art theory), theatre, and graphic design, which concentrated its anti-war politic through a rejection of the prevailing standards in art through anti-art cultural works.