The phrase "absolutely demanding" is correct and usable in written English.
It can be used to describe something that requires a high level of effort, attention, or commitment, often in a strong or emphatic way.
Example: "The project was absolutely demanding, requiring all team members to work overtime to meet the deadline."
Alternatives: "extremely challenging" or "highly demanding".
Perhaps because he's truly possessed, or because he senses he has to make up for Meg's lack of fire, he explodes onstage — he's always in motion, hollering, choking his guitar, absolutely demanding that the music rise up out of him.
"It's great being a player at Dundee United, Motherwell or Hibs and you look great, but you throw them into that Old Firm environment and there are 60,000 absolutely demanding that you win a game of football.
Unnecessarily complicated, heavily favoring students who have prior background knowledge, and absolutely demanding that test prep be done with students, this is everything one could want in an inauthentic assessment that provides those of us in the classroom with little or no actual useful data about our students.
"Renzo absolutely demanded the garden and the mast," Bruce Fowle, one of the architects, said.
He stressed that he would "absolutely" demand budget cuts to offset federal assistance.
I personally have not interfered with it in any way apart from making corrections where stylistic shortcomings absolutely demanded it.
Senator Dianne Feinstein, Democrat of California and the chairwoman of the Intelligence Committee, said Sunday that her committee would "absolutely" demand an explanation.
"What she lacked, apart from experience, was much real presence," he wrote, "that sense of stage charisma that all legendary roles in Broadway musicals absolutely demand.
As Coogan has said in his successful testimony to the MPAA - who issued the movie with an R-rating - the dynamic absolutely demands the blasphemy.
"We think about what absolutely demands movement and how we can move in a way that brings out elements in the music.
The same goes for whistleblowing – what courage that takes – and because it's always a big deal for those concerned, it absolutely demands a leader's full attention.
