1 : so frightened as to be unable to move; stunned or paralyzed with terror; petrified; "too numb with fear to move"
2 : (followed by `to') not showing human feeling or sensitivity; unresponsive; "passersby were dead to our plea for help"; "numb to the cries for mercy"
3 : lacking sensation; "my foot is asleep"; "numb with cold"
