Crud in the drivetrain, a worn tooth on one of the little gears.

Fire can see his broad, worn teeth, glinting in the dappled light.

His worn teeth are clenched and his blind eyes stare at the ceiling, but he says only, "I do not know."

Sea otters in the wild often develop worn teeth, which may account for their apparently shorter lifespans.

Have a little patience," said the one with the worn teeth and the scarred jaw.

The jagged ridge of growth from the jawbone still had an appearance of worn teeth.

Henuttamehu was an old woman when she died, with worn teeth.

A man with lines around his eyes from the hot sun, with worn teeth, a man.

Sharks, for example, grow a new set of teeth every two weeks to replace worn teeth.

He assumed the panther would be an old, wasted male with worn teeth, incapable of catching anything more difficult than a human.