Try the U3A. Google it. It's for retired people. There are lots of groups, and some of them are having their meetings on Zoom at the moment.
Normally there activities such as languages, singing, drama, theatre visits, shopping trips, scrabble, architecture, gardening, visiting gardens, Sunday lunches, walking, strolling, hiking, tai chi, philosophy, etc etc.
Each group led by an enthusiast, or a retired professional, and they often go for trips away.
Each month there is a talk for all the groups. We've had a chap from CSI, the history of the telephone, mountain rescue, and this month it is on zoom about the Bayeux tapestry.
You will soon make friends and start to wonder where your time went. Of course it will be much better once we get back to normal, but it is still really great.
It only costs £12 a year to join. Branches everywhere.
Worth a try, don't you think?