DictionarynumbLoss of physical feeling
adjective / verb

numb

NUM/nʌm/

Unable to feel physical sensation.

The forearm is numb, so the person cannot feel the clinician's light touch.

A clinician lightly touches an adults forearm with a soft cotton wisp while the adult watches without feeling it; neutral educational loss-of-sensation scene, no hot objects, needles or diagnostic claim.
Etymology

From a verb meaning “take” or “seize,” numb originally pictured someone seized by cold, shock, or palsy and unable to feel or act. This loss of feeling also became an image for emotional insensitivity.

In context

NBC News0:09
you might feel numb depressed or foggy but moving through the stages of grief is natural and healthy
How Grief Affects Your Brain And What To Do About It | Better | NBC News

More examples

  • The dentist numbs my gums before starting the procedure.
  • My foot goes numb when I sit on it.
  • The ice pack numbed the skin around my swollen ankle.

Forms

numb · number · numbest · numbs · numbed · numbing

numbness noun — The absence of normal physical sensation.

Similar words

anesthetized
Specifically describes sensation blocked by drugs, usually for medical procedures.
deadened
Can describe sensation that is reduced rather than entirely absent.