situationist adjective 1noun 1forms 1 adjective1 •Pertaining to situationism. noun1 •A person who subscribes to situationism.In 1976 and 1977, and the years to follow, as symbolically remade by the Sex Pistols, it was, perhaps, dadaists, lettrists, situationists, and various medieval heretics. — 1989 formssituationists