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confirm - definition and synonyms


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verb confirm pronunciation in American English /kənˈfɜrm/
Word Forms
present tense
present participleconfirming
past tenseconfirmed
past participleconfirmed
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  1. 1
    [transitive] to prove that something is true

    Please bring something with you that confirms your identity.

    confirm (that):

    The doctor may run a test to confirm that you are pregnant.

    1. a.
      to make you feel sure that an idea or belief is right or true
      confirm someone’s suspicions:

      Their strange behavior was enough to confirm my suspicions.

      confirm someone’s fears:

      When she saw the letter her worst fears were confirmed.

      confirm someone in their belief/view/determination etc.:

      His words confirmed me in my belief that our cause was right.

    2. b.
      to say that something is definitely true because you know about it

      We cannot confirm the number of jobs that will be lost.

      confirm that:

      The principal confirmed that two pupils had been expelled.

  2. 2
    [intransitive/transitive] to tell someone, usually by writing or telephoning, that something will definitely happen at the time or in the way that has been arranged

    You can make an appointment now, and then call nearer the time to confirm.

    The date of the meeting is still to be confirmed.

  3. 3
    [transitive] to formally support something and allow it to happen

    The parliament’s decision still has to be confirmed in a referendum.

  4. 4
    [transitive] [usually passive] to formally accept someone into the Christian Church or a Reform Jewish Church in a special ceremony

sea lion

in an online conversation, repeatedly asking a person questions which suggest that you are interested in what they are talking about, but are actually intended to annoy them

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