crazy

adjective
UK: /ˈkreɪ.zi/
US: /ˈkreɪ.zi/

  1. Mentally ill; insane.

    1. He's gone crazy, someone call a doctor immediately. [ ] [ ]
    2. The stress from work almost drove me crazy, I needed a long vacation. [ ] [ ]

  2. Extremely enthusiastic or excited about something.

    1. I'm crazy about this song, I listen to it all the time. [ ] [ ]
    2. She's crazy about animals and wants to become a veterinarian one day. [ ] [ ]

  3. Foolish, impractical, or nonsensical.

    1. That's a crazy idea, it will never work out. [ ] [ ]
    2. It would be crazy to invest all our money in such a risky venture. [ ] [ ]

Synonyms

mad excited enthusiastic insane foolish wild
crazy adverb

  1. In an insane manner.

    1. He acted crazy, running around and yelling. [ ] [ ]
    2. The car swerved crazy across the road, nearly causing an accident. [ ] [ ]

  2. Extremely.

    1. The team played crazy well, securing their spot in the finals. [ ] [ ]
    2. The movie was crazy popular, breaking all box office records in the first week. [ ] [ ]
crazy noun

  1. A crazy person.

    1. They called him a crazy for believing in aliens. [ ] [ ]
    2. Don't listen to that crazy, he doesn't know what he's talking about. [ ] [ ]

Frequently Asked Questions

The word "crazy" in English means: Mentally ill; insane., Extremely enthusiastic or excited about something., Foolish, impractical, or nonsensical..

The phonetic transcription of "crazy" is /ˈkreɪ.zi/ in British English and /ˈkreɪ.zi/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "crazy": mad, excited, enthusiastic, insane, foolish, wild.

Example usage of "crazy": "He's gone crazy, someone call a doctor immediately.". More examples on the page.