disappoint - definition and synonyms

verb [intransitive/transitive] 

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present tense
present participledisappointing
past tensedisappointed
past participledisappointed
  1. to make someone feel unhappy because something that they hoped for or expected did not happen or because someone or something was not as good as they expected

    I hate to disappoint you, but the cake’s all gone.

    It's long been one of my favourite conferences to attend and this year didn't disappoint.

    disappoint someone’s hopes/expectations:

    No one wants to disappoint people’s hopes of peace.