Click any word in a definition or example to find the entry for that word
The system has been upgraded to meet customers' needs.
You'll need to upgrade to 512Mb RAM to run these programs.
Existing users can upgrade from the previous version free of charge.
Four of the five regions have now been upgraded to republics.
This is the British English definition of upgrade. View American English definition of upgrade.
old and in bad condition, or no longer effective