Noun
a genre of art and outdoor constructions made by untrained artists who do not recognize themselves as artists
Source: WordNetThe increase of visual stress among the Greeks alienated them from the primitive art that the electronic age now reinvents after interiorizing the "unified field” of electric all-at-onceness. Marshall McLuhan
The failure of abstract painting is due to the confusion that exists in the understanding of primitive art [as well as that] concerning the nature of abstraction. Barnett Newman