- Of tyres: whose surface is worn away.
- Having no hair on the head.
"a bald man with a moustache"
- Having no hair, fur or feathers.
- Of a statement: empirically unsupported.
- (Appalachia) A mountain summit or crest that lacks forest growth despite a warm climate conducive to such, as is found in many places in the Southern Appalachian Mountains.
- (intransitive) To become bald.