demented

adjective
UK: /dɪˈmentɪd/
US: /dɪˈmentɪd/

  1. Behaving in a crazy way because you cannot think about things clearly.

    1. He was acting demented after the loss.
    2. The pressure made him slightly demented, shouting at imaginary enemies.

  2. Suffering from dementia.

    1. My grandma is old and demented.
    2. She's now quite demented and needs constant care in a nursing home.

  3. Extremely silly or unreasonable.

    1. That's a demented idea; it won't work.
    2. It was a completely demented plan from start to finish, but somehow it worked.

Synonyms

mad insane crazy deranged unbalanced senile

Frequently Asked Questions

The word "demented" in English means: Behaving in a crazy way because you cannot think about things clearly., Suffering from dementia., Extremely silly or unreasonable..

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

Synonyms for "demented": mad, insane, crazy, deranged, unbalanced, senile.

Example usage of "demented": "He was acting demented after the loss.". More examples on the page.