psycho

Meaning

1. Psychotic, psychopathic, or (broadly) otherwise insane.
2. A person who is psychotic, psychopathic, or (broadly) otherwise insane.
3. A person who acts in a bizarre or dangerous manner.
4. A class, at a college or university, in which psychology is taught.

Etymology / origin

Clipping of psychotic or psychopath + -o (“person with characteristic”). Compare sicko.

Related words

Descendant words

• サイコ(Japanese) (bor)
• psiko(Malay) (bor)
• sayko(Turkish) (der)

Sources

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