1. comparative form of gammy; more lame, injured, or disabled (especially of a leg or limb)
Usage: British informal; often used to describe a leg or joint that is weak, injured, or not functioning properly

Examples

• His gammier leg made it difficult to walk long distances.
• After the injury, his knee became gammier than before.
• She complained that her gammier ankle was acting up in the cold weather.
• The footballer's gammier leg kept him on the bench for several weeks.
• He walked with a limp because his left leg was gammier than his right.