psycho

noun
UK: /ˈsaɪ.kəʊ/
US: /ˈsaɪ.koʊ/

  1. A person who is mentally unstable or dangerous.

    1. He acts like a total psycho sometimes, shouting and swearing. [ ] [ ]
    2. The movie portrays the killer as a cold and calculating psycho with no remorse. [ ] [ ]

Synonyms

insane lunatic fanatic crazy maniac
psycho adjective

  1. Relating to or characteristic of a person with a severe mental disorder.

    1. That was a psycho thing to do, very weird. [ ] [ ]
    2. The psycho killer in the movie was scary because he seemed so normal at first. [ ] [ ]

  2. Very enthusiastic or excited.

    1. I'm psycho about football, I watch every game. [ ] [ ]
    2. She's psycho for collecting vintage records she even knows all the release dates. [ ] [ ]

Frequently Asked Questions

The phonetic transcription of "psycho" is /ˈsaɪ.kəʊ/ in British English and /ˈsaɪ.koʊ/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "psycho": insane, lunatic, fanatic, crazy, maniac.

Example usage of "psycho": "He acts like a total psycho sometimes, shouting and swearing.". More examples on the page.