- 1upgrade something to make a piece of machinery, computer system, etc. more powerful and efficient
- 2upgrade somebody (to something) to give someone a better seat on a plane, room in a hotel, etc. than the one that they have paid for On the flight back, we were upgraded to business class.
- 3 upgrade something to improve the condition of a building, etc. in order to provide a better service to upgrade the town's public facilities The trail was upgraded for use by bikers. compare downgrade
- 4 upgrade somebody (to something) to give someone a more important job synonym promote
NAmE//ˈʌpɡreɪd//, NAmE//ˌʌpˈɡreɪd//[often passive]Verb Forms present simple I / you / we / they upgrade
,he / she / it upgrades
,past simple upgraded
,-ing form upgrading
upgradejump to other results
NAmE//ˈʌpɡreɪd//noun instructions for installing an upgrade to the existing system Frequent flyers qualify for a free upgrade.