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upgrade

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verb British English pronunciation: upgrade /ʌpˈɡreɪd/ 
Word Forms
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present tense
I/you/we/theyupgrade
he/she/itupgrades
present participleupgrading
past tenseupgraded
past participleupgraded

Related dictionary definitions

  1. 1
    [intransitive/transitive] to make a computer or other machine more powerful or effective

    The system has been upgraded to meet customers' needs.

    upgrade to:

    You'll need to upgrade to 512Mb RAM to run these programs.

    upgrade from:

    Existing users can upgrade from the previous version free of charge.

    1. a.
      [transitive] to improve the quality of a service or product

      £1.5 million is being spent on upgrading security procedures.

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