n.  A keen feeling of mental unease, as of annoyance or embarrassment, caused by failure, disappointment, or a disconcerting event: To her chagrin, the party ended just as she arrived. tr.v.  cha·grined, cha·grin·ing, cha·grins   To cause to feel chagrin; mortify or discomfit: He was chagrined at the poor sales of his book. See Synonyms at  embarrass. [French, possibly from dialectal French chagraigner, to distress, become gloomy, from Old French graim, sorrowful, gloomy, of Germanic origin.]  | 
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