Read the dictionary definition of numb. All definitions for this word.
1. make numb or insensitive
1. The shock numbed her senses
2. so frightened as to be unable to move; stunned or paralyzed with terror; petrified
1. too numb with fear to move
3. lacking sensation
1. my foot is asleep
2. numb with cold
4. (followed by `to') not showing human feeling or sensitivity; unresponsive
1. passersby were dead to our plea for help
2. numb to the cries for mercy