Standard Lemma guide

dementedness

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

The quality of being demented.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

mental deterioration of organic or functional origin

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: dementia

Antonyms: none provided

Broader terms: insanity

Narrower terms: alcoholic dementia, alcohol amnestic disorder, Korsakoff's psychosis, Korsakoff's syndrome, Korsakov's psychosis, Korsakov's syndrome, polyneuritic psychosis, presenile dementia, senile dementia, senile psychosis

History

Etymology

From demented + -ness.

Across languages

Translations

4 source translations are retained for this English entry.

  • Bulgarian: деме́нтност (deméntnost) — quality
  • Finnish: dementoituneisuus — quality
  • Polish: bezrozum — quality
  • Polish: bezrozumność — quality