"Provisional painting" refers to an artistic approach where a work of art is intentionally created in an unfinished or preliminary state. It emphasizes the process of creating the art rather than the final outcome. Full definition
With the closing of the modernist narrative, and in an era of provisional painting, it may be no longer possible to cite historical necessity as a pertinent factor. (abcrit.org)
Like most provisional painting shows, there's a lot of variety, but rarely much development. (artfcity.com)
Does provisional painting appear when last paintings are no longer possible to paint? (artinamericamagazine.com)