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upgrade - definition and synonyms


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verb upgrade pronunciation in American English /ˈʌpˌɡreɪd/
Word Forms
present tense
present participleupgrading
past tenseupgraded
past participleupgraded

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  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.


a meal served in the evening which consists of foods traditionally eaten at breakfast

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