Definition, Meaning & Synonyms

psycho

noun
/ˈsaɪkoʊ/
Definition
A colloquial term referring to a person who is perceived as mentally unstable or dangerously irrational.
Examples
  • The film’s villain was a real psycho, creating chaos wherever he went.
  • People often called him a psycho after his sudden outbursts.
  • I can’t believe she would act like such a psycho over a minor issue!
Meaning
Often used informally to describe someone exhibiting extreme or erratic behavior, usually in a derogatory manner.
Synonyms
  • maniac
  • lunatic
  • madman
  • deranged person
  • crazy person