1. <psychology> Relating to the period antedating the onset of psychosis. ... 2. Denoting a potential for a psychotic episode, one that appears imminent under continued stress. ... (05 Mar 2000) ... 
Type: Term Pronunciation: prē′sī-kot′ik Definitions: 1. Relating to the period antedating the onset of psychosis. 2. Denoting a potential for a psychotic episode, one that appears imminent under continued stress.
prepsychotic 1. Of or relating to symptoms, or to the period of time, prior to the onset of a psychosis.2. Denoting a potential for a psychotic episode, one that appears imminent under continued stress.
exhibiting behavior that indicates the approach of a psychotic reaction.