1. segregationalist - Noun
2. segregationalist - Adjective
(rare) A segregationist; a supporter of racial, ethnic, or religious segregation.
(linguistics) One who believes that linguistic signs have meaning independent of the context of their use in communication.
(rare) Segregationist; supportive of or leading to racial, ethnic, or religious segregation.
(linguistics) Characteristic of segregationalism.
Source: en.wiktionary.org