demented

[ dih-men-tid ]
See synonyms for demented on Thesaurus.com
adjective
  1. crazy; insane; mad.

  2. affected with dementia.

Origin of demented

1
First recorded in 1635–45; dement + -ed2

Other words for demented

Other words from demented

  • de·ment·ed·ly, adverb
  • de·ment·ed·ness, noun
  • half-de·ment·ed, adjective
  • sem·i·de·ment·ed, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use demented in a sentence

British Dictionary definitions for demented

demented

/ (dɪˈmɛntɪd) /


adjective
  1. mad; insane

Derived forms of demented

  • dementedly, adverb
  • dementedness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012