Definition of chagrin noun from the Oxford Advanced Learner's Dictionary

 

chagrin

 noun
noun
BrE BrE//ˈʃæɡrɪn//
 
; NAmE NAmE//ʃəˈɡrɪn//
 
[uncountable](formal) Disappointment, Anger
 
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a feeling of being disappointed or annoyed To her chagrin, neither of her sons became doctors. Jon had discovered parties, wine and women, much to the chagrin of his parents. See related entries: Disappointment, Anger Word Origin mid 17th cent. (in the sense ‘melancholy’): from French chagrin (noun), literally ‘rough skin, shagreen’, chagriner (verb), of unknown origin.
See the Oxford Advanced American Dictionary entry: chagrin