Lacking hair on the scalp. The bald man wore a hat to protect his head from the sun.
Without any covering, bare or exposed. The bald hill was devoid of any trees or vegetation.
Plain or blunt in expression, without any embellishment. Her bald statement about the company's financial troubles shocked the board members.
Having worn away the tread; smooth from wear. The car skidded on the wet road because its tires were completely bald.