What is another word for heart-burning?
Pronunciation: [hˈɑːtbˈɜːnɪŋ] (IPA) 
Heart-burning is a phrase used to describe a feeling of intense discontent or unease. Synonyms for heart-burning include anguish, distress, anxiety, mortification, and vexation. These words can be used interchangeably to convey a similar sentiment of emotional discomfort. Another term that can be used in place of heart-burning is heartache, which also denotes a feeling of emotional distress or discomfort. Regardless of which term is used, it is clear that the speaker is experiencing significant emotional turmoil and strain. These words can be useful in both personal and professional contexts, and are particularly relevant when describing feelings of disappointment or frustration.
