- Main Entry:
- psy·cho·sis

- Pronunciation:
-
\sī-ˈkō-səs\
- Function:
- noun
- Inflected Form(s):
- plural psy·cho·ses \-ˌsēz\

: a serious mental disorder (as schizophrenia) characterized by defective or lost contact with reality often with hallucinations or delusions