A numb feeling.
Toes numb with cold; too numb with fear to cry out.
The dentist gave me novocaine to numb my tooth before drilling, thank goodness.
An example of numb used as an adjective is numb cheek, how a cheek feels after an injection of novocaine by a dentist.
Numb to yet another appeal.
Numb with cold, numb with grief.