Definition of demented in English:


Syllabification: de·ment·ed
Pronunciation: /dəˈmen(t)əd


1Suffering from dementia.
More example sentences
  • The diagnosis of an independent depressive disorder becomes difficult in the demented patient.
  • High level of disability is associated with major depression, in both demented and nondemented people.
  • On the flip side, cognition has improved in demented or impaired people given nutritional support.
1.1 informal Driven to behave irrationally due to anger, distress, or excitement: a demented, dangerous, and sadistic Mafioso
More example sentences
  • To me, it seemed like demented torture, and not very flattering.
  • They fell in the gaily lit hall with a flutter like demented birds attempting flight.
  • I probably looked more than a little demented, come to think of it.


mid 17th century: past participle of earlier dement 'drive mad', from Old French dementer or late Latin dementare, from demens 'out of one's mind'.



More example sentences
  • Some way into the forest Kira stopped abruptly, pressed her nose to the earth and began to dig dementedly.
  • His mother and favourite sister had died of tuberculosis in 1868 and 1877 respectively, and his father - driven close to insanity with grief - became almost dementedly pious.
  • I started to laugh quietly, resentfully, dementedly.


More example sentences
  • I feel the need to comment on the dementedness of the human species every once in a while.
  • Your name will become synonymous with sheer dementedness, as lesser men whisper your name in terror.
  • But, when we do feel a slight bit dazed, it seems as though this dementedness is part of the film's charm.

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having an extremely offensive smell