I. chag ‧ rin 1 /ˈʃæɡrɪn $ ʃəˈɡrɪn/ BrE AmE noun [uncountable]
[ Date: 1700-1800 ; Language: French ; Origin: chagrin 'sad' ]
annoyance and disappointment because something has not happened the way you hoped
to sb’s chagrin
Much to her chagrin, I got the job.
II. chagrin 2 BrE AmE verb
be chagrined formal to feel annoyed and disappointed:
Dale was chagrined that she wasn’t impressed.