Source : Webster's Revised Unabridged Dictionary (1913)

Chagrin \Cha*grin"\, v. t. [imp. & p. p. {Chagrined}; p. pr. &
   vb. n. {Chargrining}.] [Cf. F. chagriner See {Chagrin}, n.]
   To excite ill-humor in; to vex; to mortify; as, he was not a
   little chagrined.

Source : WordNet®

chagrined
     adj : feeling or caused to feel uneasy and self-conscious; "felt
           abashed at the extravagant praise"; "chagrined at the
           poor sales of his book"; "was embarrassed by her
           child's tantrums" [syn: {abashed}, {embarrassed}]