(noun, adjective)


1. (colloquial or pejorative) Psychotic, or otherwise insane.


1. a person afflicted with psychosis

Similar word(s): psychotic

Definition categories: person, sufferer

Sentences with psycho as a noun:

- The loony bin up on the hill is full of psychos.

- She complained that he was a psycho for driving at such a high speed in heavy traffic.

- I've got anthro, socio, lunch, and psycho.