# demented

> English word · Adjective · IPA /dɪˈmɛntɪd/ · frequency rank #29,998

## Definitions
1. Insane; mentally ill.
2. Having dementia.
3. Crazy; ridiculous.

## Etymology
Past participle of dement + -ed, from Latin dēmentāre.

## Easily confused with
- **dented** (https://plainspell.com/en/vs/demented-vs-dented)
- **detected** (https://plainspell.com/en/vs/demented-vs-detected)
- **dementia** (https://plainspell.com/en/vs/demented-vs-dementia)
- **deserted** (https://plainspell.com/en/vs/demented-vs-deserted)
- **depended** (https://plainspell.com/en/vs/demented-vs-depended)
- **deleted** (https://plainspell.com/en/vs/deleted-vs-demented)
- **defeated** (https://plainspell.com/en/vs/defeated-vs-demented)
- **demanded** (https://plainspell.com/en/vs/demanded-vs-demented)
- **defended** (https://plainspell.com/en/vs/defended-vs-demented)
- **dejected** (https://plainspell.com/en/vs/dejected-vs-demented)

## Common misspellings (12)
`ddemented`, `deemnted`, `demenetd`, `demennted`, `dementde`, `dementedd`, `dementted`, `demetned`, `demmented`, `demneted`, `dmeented`, `edmented`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/demented