to change something so it is newer, more accurate, or matches the latest information
I need to update my phone’s software to fix the bugs.
The museum updated its history exhibit with new artifacts.
✦ From up + date, originally (1940s) in US business jargon meaning ‘bring or bring someone up to date’.
to give someone the most recent news or information
Let me update you on the project status.
Our teacher updated us about the schedule change.
