Insensibility

n.	1.
	1.	The state or quality of being insensible; lack of sensibility; torpor; unconsciousness; as, the insensibility produced by a fall, or by opiates.
	2.	Lack of tenderness or susceptibility of emotion or passion; dullness; stupidity.

Noun	1.	insensibility - a lack of sensibility Antonyms: sensibility - mental responsiveness and awareness
	2.	insensibility - devoid of passion or feeling Synonyms: callousness, unfeelingness, hardness

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