limitationist adjective 1noun 1forms 3 adjective1 •Supporting or believing in a certain limitation.Thus, to a reader who was also a listener, the tone of the article could have conveyed a less encompassing, indeed limitationist, notion of containment than the text itself did. — 1974 noun1 •Someone who supports or believes in a certain limitation. formslimitationists · more limitationist · most limitationist