1. (n.) The state or quality of being insensible; want of sensibility; torpor; unconsciousness; as, the insensibility produced by a fall, or by opiates.

2. (n.) Want of tenderness or susceptibility of emotion or passion; dullness; stupidity.

abstraction abulia alienation anxiety anxiety equivalent anxiety state apathy blindness casualness catatonic stupor compulsion crudity of intellect deafness dejection depression detachment dim-sightedness elation emotionalism euphoria folie du doute hypochondria hysteria hysterics impassivity imperceptiveness impercipience imprudence inanimateness inanimation incognizance incomprehension indifference indiscreetness indiscretion indiscriminateness indiscrimination inertness insensibleness insensitivity insentience lack of feeling lack of refinement lethargy lifelessness mania melancholia mental distress mindlessness nearsightedness nonrealization nonrecognition nonunderstanding oblivion obliviousness obsession pathological indecisiveness phlegm preoccupation promiscuity promiscuousness psychalgia psychomotor disturbance purblindness senselessness shortsightedness stoicism stolidity stupor syncretism tactlessness tic twitching unapprehendingness unawareness unconsciousness uncriticalness undiscerningness undiscriminatingness undiscriminativeness unfastidiousness unfeelingness unmeticulousness unmindfulness unparticularness unperceptiveness unpreciseness unresponsiveness unselectiveness untactfulness unwittingness withdrawal