noun
- an improvement or enhancement to something
- a move to a better seat, room, or service level
verb
- to improve something by replacing it with something better or more advanced
- to move someone to a higher position or class
Examples
- The company decided to upgrade their computer systems.
- She was upgraded to first class on her flight.
- The software upgrade includes several new features.
- We need to upgrade our security measures.
- The hotel gave us a free upgrade to a suite.
- The upgrade to the new operating system was seamless.
- They upgraded him from assistant to manager.