How to rejuvenate a dwindling Toatmasters morale

Burnou is real and there is nothing wrong with taking a break. Take a break do something ne when you return will spark your enthusiasm.
During this break you could undertake the non speech orojects such as a YLP or From Speaker to Trainer.
That’s how I keep my interest up by doing more than just the club meetings.

Sometimes having a breather is all you need.