demented

From Wiktionary

Pronunciation[change]

Adjective[change]

Positive
demented

Comparative
none

Superlative
none

  1. A demented person is someone who is insane.

Verb[change]

Plain form
dement

Third-person singular
dements

Past tense
demented

Past participle
demented

Present participle
dementing

  1. The past tense and past participle of dement.