Meaning of the word psycho in English

What does psycho mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

psycho

US /ˈsaɪ.koʊ/
UK /ˈsaɪ.kəʊ/

Noun

a person suffering from a chronic mental disorder with abnormal or violent social behavior

Example:
He acted like a complete psycho when he found out the news.
Don't call him a psycho, he's just having a bad day.

Adjective

suffering from a chronic mental disorder with abnormal or violent social behavior

Example:
That movie was really psycho, I couldn't watch it all the way through.
Her ex-boyfriend turned out to be completely psycho.