ill blood or ill feeling noun
Resentment, enmity
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Main Entry: ↑ill
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ill feeling noun
Resentment, animosity, bad feeling
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Main Entry: ↑ill
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ill feeling,
suspicious dislike; mistrust; animosity: »
At midnight the dinner broke up, in an atmosphere of sullen ill feeling (Time).
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bad/ill ˈfeeling idiom
(also bad/ill ˈfeelings especially in NAmE) anger between people, especially after an argument or disagreement
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There was a lot of bad feeling between the two groups of students.
Useful english dictionary. 2012.