Sullivanian adjective 1noun 1forms 1 adjective1 •Of or pertaining to this therapy group. noun1 •A member of an unorthodox and controversial psychotherapy group in New York City from the 1960s to the 1980s, led by Saul B. Newton, promoting a distorted version of psychiatrist Harry Stack Sullivan's views.The 39-year-old Sprecher, a computer programmer, was a Sullivanian for twelve years. He left the group in 1986. But the case is not really about Paul, Dee Dee, or even David. It's about the group. — 1989 formsSullivanians
