If someone or something is in shape
, or in good shape
, they are in a good state of health
or in a good condition
. If they are in bad shape
, they are in a bad state of health or in a bad condition.
...the Fatburner Diet Book, a comprehensive guide to getting in shape.
He was still in better shape than many young men.
The trees were in bad shape from dry rot.
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers