ill feeling
noun1
A feeling of animosity or resentment.
- Then there was May 2018's timetable chaos, when so much was promised but not delivered. This still causes ill-feeling for Northern, TransPennine Express and Govia Thameslink Railway. Social media platforms really highlighted the anger - some just wanted to rant, but the frustration was real... and justified.2019 December 18, Richard Clinnick, “Railway's 2020 vision”, in Rail, page 3: