disappointed at

disappointed at (someone or something)

Disheartened or upset by someone or something. I know that my parents are very disappointed at my report card this semester.
See also: disappointed
Farlex Dictionary of Idioms.

disappointed at someone or something

 and disappointed in someone or something
becoming sad because of someone or something. I am really disappointed at what you did. I am very disappointed in you. That was a terrible thing to do. They were disappointed in the outcome.
See also: disappointed
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • disappointed at (someone or something)
  • disappointed in (someone or something)
  • dissatisfied
  • dissatisfied with
  • dissatisfied with (someone or something)
  • disappoint
  • disappoint (someone or oneself) with (something)
  • disappoint with
  • face falls
  • your face falls
References in classic literature
All hailed Don Quixote as victor, but the greater number were vexed and disappointed at finding that the combatants they had been so anxiously waiting for had not battered one another to pieces, just as the boys are disappointed when the man they are waiting to see hanged does not come out, because the prosecution or the court has pardoned him.
Don Quixote
returning to his letter, she was disappointed at the outset.
I Say No
Turned away Families were left disappointed at the Braehead store.
Bear chaos at Braehead
"I am both surprised and disappointed at the severity of the punishment.
Villa chief's upset at FA punishment for 'honest mistake'
McNamara added: "While still disappointed at the outcome, we respect the decision and accept it is now time to move on.
Ciftci hit by ban; Nadir is banned
ADMISSION Martin Fagan took banned EPO in December SHOCK Abdirahman was disappointed at revelation
SADNESS AT MART DOPING
A LEADING Coventry city councillor has said he is disappointed at the number of retailers still selling knives and aerosols to underage children.
Traders rapped over knife sales
I was shocked and disappointed at the sheer ignorance of your blanket accusation, "The charter school movement has opened secondary education doors to many groups of people--some looking to make money, others intending to bring religion or varying philosophies into schools ..." I guarantee there is no hidden religious non-profit entity, and I assure you, no one is getting rich in this venture.
Charter schools: a legitimate choice
``I am not disappointed at all at not winning,'' said Harrington.
Golf: Padraig optimistic despite late blow
SKY BLUES chairman Bryan Richardson is disappointed at losing Youssef Chippo and Youssef Safri so early when the African Nations Cup does not start for a fortnight.
FOOTBALL: Richardson upset at losing duo