of a higher quality or more excellent type
more appropriate or advisable
It would be better to take them with you
improved in health; partly or wholly recovered from an illness or injury
Is she at all better yet?
better off
enjoying better circumstances, esp financially
go one better
to improve slightly on what somebody else has achieved
the better part of
most or nearly all of something
We waited for the better part of an hour
[Old English betera]