Definition of "alienating"

There was something distinctly low-key, even wilfully alienating about the band’s performance. A scattering of OK Computer tracks were interspersed with more abstract latterday material – the clatter of 15 Step and Myxamatosis.

2017 June 26, Alexis Petridis, “Glastonbury 2017 verdict: Radiohead, Foo Fighters, Lorde, Stormzy and more”, in the Guardian‎