The phrase "demented about" is grammatically correct and can be used in written English.
It is typically used to mean being extremely obsessed or overly enthusiastic about something. Example: Jane's brother was demented about basketball, spending every free moment practicing his moves and studying the game.
For Mr de Botton there is something slightly demented about religious belief, whereas for Mr Scruton there is something deeply tragic about atheism.Mr de Botton has published bestselling books on a wide range of subjects.
There is something demented about such a huge flowering of creativity and innovation being focused on the minor inconveniences of the cash-rich and time-poor.
The communications minister, Malcolm Turnbull, has accused the conservative commentator Andrew Bolt of constructing an argument that "borders on the demented" about his posing a possible threat to Tony Abbott's leadership.
The demented wandered about, but other patients looked out for them.
What price all these unnamed sources chatting to Andrew Rawnsley about "demented" Gordon?
Greenblatt also denounced Trump as "corrosive and toxic" and "demented," and worried about the politician's lingering effect on public discourse. .
"They're going to worry like crazy about being demented".
Is it about something demented within all of us?
Learn more about the word "demented" and see usage examples across a range of subjects on the Vocabulary.com dictionary.
And that's what I'm really worried about: raising a daughter in a culture that's completely demented when it comes to weight.
Wayne Flynt, a professor emeritus at nearby Auburn University, dismissed what he called "the conspiracy theory" about the new novel, and said that Harper Lee "obviously isn't demented".
