The word "numb" means not able to feel or experience pain, emotionally unresponsive or indifferent. It can also refer to a lack of sensation in a particular area due to loss of feeling or paralysis.
Usage examples
After sitting in the icy lake for hours, my fingers and toes became numb.
The shock of the accident left me feeling numb for days, unable to process what had happened.
The cold wind whipped against my face, causing it to go numb within minutes.
The powerful blow to his head left him momentarily numb, unable to see or hear properly.
The heartbreak of losing her best friend left her emotionally numb, unable to feel anything for a while.
The athlete's leg went numb after pushing too hard during the marathon, making it difficult for him to continue.
The shock of receiving the unexpected news left her numb, unable to respond or react for a moment.
Last but not least, this game although in a lot of ways different in controls, is still the same hack and slash mind numbing experience of yonder years. (darkstation.com)
I could not move or hold him then because I still felt numb from the anesthesia, but I cried with happiness when the nurse held him so he could nurse from my breast. (breastfeedingtoday-llli.org)
Cold War dread and the trauma of the war just ended found expression everywhere, Schimmel believes, in desperate exertions and game - like ploys to make art that would keep people — including the artists themselves — from going numb with depression and fear. (chron.com)