B1
the condition of being physically strong and healthy
Dictionary examples:
My cat's fitness plan includes chasing laser dots and napping for 20 hours. (0.0)
I'm working on my fitness by lifting heavy shopping bags at the mall. (0.0)
I thought my fitness was improving until I got tired tying my shoes. (0.0)
I'm trying to improve my physical fitness by riding my bike to work. (44.0)