Purism, referring to the arts, was a movement that took place between 1918 and 1925 that influenced French painting and architecture. Purism was led by Amédée Ozenfant and Charles Edouard Jeanneret.

What does being a purist mean?

: a person who adheres strictly and often excessively to a tradition especially : one preoccupied with the purity of a language and its protection from the use of foreign or altered forms.

What is an example of purist?

To be a purist is to be a kind of perfectionist — a baking purist might feel that cookies made without a certain brand of chocolate chips are vastly inferior, for example. The noun purist originally referred specifically to language use, and it comes from the Latin purus, "clean, clear, or unmixed."