Search Result for "psychotic depression":
Wordnet 3.0

NOUN (1)

1. a state of depression so severe that the person loses contact with reality and suffers a variety of functional impairments; 



WordNet (r) 3.0 (2006):

psychotic depression
    n 1: a state of depression so severe that the person loses
         contact with reality and suffers a variety of functional
         impairments [ant: neurotic depression]