• Entirely irrational: Completely unreasonable or lacking any sense of the consequences of actions taken.

    Affected with dementia: Affected by the loss of intellectual functions that is associated with dementia. This usually only happens to elderly (old) people.


    Demented meaning & definition 1 of Demented.


  • Suffering from dementia.

    Demented meaning & definition 2 of Demented.


  • The word means [mentally deranged], but so far nobody has mentioned how demented can be stretched, ironically, to include [clownish], [wacky] etc. Just the thing for the Urban Dictionary!

    Demented meaning & definition 3 of Demented.


  • unable to think or act clearly because you are extremely worried, angry, or excited by something:

    Demented meaning & definition 4 of Demented.

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