promise - definition and synonyms

verb [intransitive/transitive] 

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present tense
present participlepromising
past tensepromised
past participlepromised
  1. 1
    to tell someone that you will definitely do something
    promise to do something:

    Peter wished he’d never promised to help them.

    promise someone (that):

    Promise me you’ll be home before dark.

    We always promised ourselves that we’d visit Hawaii one day.

    promise something to someone/promise someone something:

    Relief organizations are promising aid to the country.

    as promised (=in the way that had been promised):

    She phoned at 9 am, as promised.

    promise faithfully (=very strongly):

    Ellen promised faithfully not to open her present until her birthday.

  2. 2
    formal to make it seem likely that something will happen

    This evening promises to be a lot of fun.