Skip to main content

demented

/dɪˈmɛntɪd/adjective, verb

demented is spelled D-E-M-E-N-T-E-D. The wrong spelling people search most is dimented: about 30 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 36 of all searches for the word. Demented is an adjective meaning “Insane; mentally ill”.

How many letters and syllables are in demented?

Letters8: D-E-M-E-N-T-E-D
Syllables3 (from its American pronunciation)
In writingabout once in every 1 million words; the 30,017th most frequent word form
Wrong spellings searched1; the most searched, dimented, about 30 Bing searches a month (all of them)

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).

How do you spell demented?

Demented is spelled D-E-M-E-N-T-E-D. One wrong spelling is searched or written often enough to measure; together they are about 1 in 36 of the searches for demented in either form.

dementedthe right spelling1,060 searches a month
dimentedi in place of e30 searches a month

Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.

How common is demented?

Demented appears about once in every 1 million words in written English, the 30,017th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce demented?

  • /dɪˈmɛntɪd/

Demented has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Persent101-demented.wav, Wikimedia Commons (author and licence on each file's page).

Forms of demented

  • more demented comparative
  • most demented superlative

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does demented mean?

The meanings the English Wiktionary records, quoted as written there (source below).

adjective

  1. 1

    Insane; mentally ill.

  2. 2

    Having dementia.

  3. 3

    informalCrazy; ridiculous.

    a demented idea

verb

  1. 1

    simple past and past participle of dement (a form of dement)

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Demented in Spanish, French, German and Portuguese

LanguageWords
Frenchdément (insane or mentally ill)
Germanwahnsinnig, verrückt (insane or mentally ill), dement (suffering from dementia)
Spanishdemencial, demente (insane or mentally ill), demenciado (suffering from dementia)

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

What to look up after demented