heartburning
/ˈhɑːrtˌbɜːrnɪŋ/
noun
- A feeling of resentment, jealousy, or bitter discontent.
- Her success led to heartburning among some of her former friends.
- There was a lot of heartburning among the employees when the promotion went to the manager's nephew.
- The unfair distribution of prizes caused heartburning in the competition.
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