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Noun: psycho  sI-kow
Usage: informal
  1. A person afflicted with psychosis
    - psychotic, psychotic person
  2. Someone with a sociopathic personality; a person with an antisocial personality disorder ('psychopath' was once widely used but has now been superseded by 'sociopath')
    - sociopath, psychopath
Adjective: psycho  sI-kow
Usage: informal
  1. Suffering from an undiagnosed mental disorder
    - psychopathic, psychopathologic, psychopathological

Derived forms: psychos

See also: insane

Type of: diseased person, mental case, neurotic, psychoneurotic, sick person, sufferer

Encyclopedia: Psycho