psychoneurotic /sʌɪkəʊnjʊˈɹɒtɪk/adjective 1noun 1forms 3 adjective1 •Pertaining to or suffering from a psychoneurosis. noun1 •Someone suffering from a psychoneurosis.As I have mentioned, when I undertake the analysis of a psychoneurotic [translating Psychoneurotiker] his dreams are regularly the subject of our discussions. — 1999 formspsychoneurotics · more psychoneurotic · most psychoneurotic