chagrined

/ʃəˈɡrɪnd/
adjective
  1. Feeling disappointed, embarrassed, or annoyed because of a failure or setback.
    • He looked chagrined when he realized he had mispronounced the name.
    • She was chagrined to discover that her flight had been canceled.
    • The chagrined student apologized for forgetting the homework.
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