According to Webster the word of the year is Polarization.
Oxford have Brain Rot and Cambridge have Manifest. Collins have Brat, which was apparently ‘made famous by a Chari XCX album’ (me neither).
Personally, just as Cozzy Livs (cost of living) was my favourite in 2023, this year really deserves to be ‘Word Salad’, although without Kamala it is unlikely to reappear anywhere near as much.