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- Dictionarydemented/dɪˈmɛntɪd/
adjective
- 1. behaving wildly and irrationally on account of anger, distress, or excitement: British "she was demented with worry"
- 2. affected with dementia.
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DEMENTED definition: 1. unable to think or act clearly because you are extremely worried, angry, or excited by…. Learn more.
mad, insane; affected by or exhibiting cognitive dementia… See the full definition
Demented definition: crazy; insane; mad.. See examples of DEMENTED used in a sentence.
Demented is an adjective describing behavior that is crazy, unhinged, or insane. Someone is demented when they have gone off the deep end.
(especially British English) behaving in a crazy way because you are extremely upset or worried. I've been nearly demented with worry about you. The children have driven me demented today. He was crashing about the house like a demented animal. Take your English to the next level.
Define demented. demented synonyms, demented pronunciation, demented translation, English dictionary definition of demented. adj. 1. Suffering from dementia. 2. Informal Crazy or foolish. de·ment′ed·ly adv. de·ment′ed·ness n. American Heritage® Dictionary of the English Language,...
1. Someone who is demented has a severe mental illness, especially Alzheimer's disease. [medicine, old-fashioned] [...] 2. If you describe someone as demented, you think that their actions are strange, foolish, or uncontrolled. [informal, disapproval] [...] More.
