The meaning of DEMENTED is exhibiting madness : marked by thought or action that lacks reason —not used technically. How to use demented in a sentence.

Define demented. demented synonyms, demented pronunciation, demented translation, English dictionary definition of demented. adj. 1. Suffering from dementia. 2. Informal Crazy or foolish. …

DEMENTED definition: 1. unable to think or act clearly because you are extremely worried, angry, or excited by…. Learn more.

DEMENTED definition: crazy; insane; mad. See examples of demented used in a sentence.

Definition of demented adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

2 meanings: 1. driven mad 2. offensive having dementia.... Click for more definitions.

Dec 14, 2025 · demented (comparative more demented, superlative most demented) Insane; mentally ill. quotations

What is the etymology of the adjective demented? demented is formed within English, by derivation. Etymons: dement v.1, ‑ed suffix1.

Dec 21, 2025 · Discover the comprehensive meaning, etymology, and usage of the term 'demented'. Understand its historical significance, modern-day connotations, synonyms, …

DEMENTED meaning: not able to think clearly or to understand what is real and what is not real crazy or insane