<p><strong>Noun</strong></p><ul><li>A person who advocates the strictest application of the principles or standards in any field, or who insists on purity in language, style, etc.</li><li>An instance of this.</li><li>(Often capitalized) Purist.</li><li>Fine Arts: A practitioner of purism, an early 20th-century style of art characterized by the use of simple geometric forms and images evoking manufactured objects.</li></ul><p><strong>Adjective</strong></p><ul><li>Relating to or being a purist: The purist view of theater design is that if there is a column or pillar anywhere, there is a problem.</li></ul>