numbness
n.a feeling of not being able to feel anything, like when your hands or feet go cold and you lose all feeling. It can also describe a lack of strong emotions or a feeling of being disconnected from a situation.
n.a state of partial or total loss of sensation in a part of the body, or a psychological state of emotional detachment or lack of sensitivity.
“The numbness in my fingers went away after I moved them around.”
“After the long and difficult meeting, he felt a deep sense of numbness that made it hard to talk to anyone.”
“The patient reported a sudden numbness in her left arm, which the doctor suspected was a sign of a neurological issue requiring immediate attention.”
From numb + -ness.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.