›If a part of your body is numb, you are unable to feel it, usually for a short time: I had been lying awkwardly and my leg had gone numb.My fingers were numb with cold.Unable to feel anything›not able to feel any emotions or to think clearly, because you are so shocked or frightened, etc.: When she first heard the news, she was numb with disbelief.Ever since his girlfriend left him he has felt numb.Not showing or feeling emotionsControlling emotions