The state or quality of being insensible; lack of sensibility; torpor; unconsciousness; as, the insensibility produced by a fall, or by opiates. [1913 Webster]
Lack of tenderness or susceptibility of emotion or passion; dullness; stupidity.

Syn. -- Dullness; numbness; unfeelingness; stupidity; torpor; apathy; impassiveness; indifference.

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OXFORD DICTIONARY

insensibility, n.
1 unconsciousness.
2 a lack of mental feeling or emotion; hardness.
3 (often foll. by to) indifference.

Etymology

F insensibilit{eacute} or LL insensibilitas (as INSENSIBLE)

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THESAURUS

insensibility

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

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ROGET THESAURUS

insensibility

Insensibility

N insensibility, insensibleness, moral insensibility, inertness, inertia, vis inertiae, impassibility, impassibleness, inappetency, apathy, phlegm, dullness, hebetude, supineness, lukewarmness, cold fit, cold blood, cold heart, coldness, coolness, frigidity, sang froid, stoicism, imperturbation, nonchalance, unconcern, dry eyes, insouciance, recklessness, callousness, heart of stone, stock and stone, marble, deadness, torpor, torpidity, obstupefaction, lethargy, coma, trance, vegetative state, sleep, suspended animation, stupor, stupefaction, paralysis, palsy, numbness, neutrality, quietism, vegetation, insensible, unconscious, impassive, impassible, blind to, deaf to, dead to, unsusceptible, insusceptible, unimpressionable, unimpressible, passionless, spiritless, heartless, soulless, unfeeling, unmoral, apathetic, leuco-, phlegmatic, dull, frigid, cold blooded, cold hearted, cold as charity, flat, maudlin, obtuse, inert, supine, sluggish, torpid, torpedinous, torporific, sleepy, languid, half-hearted, tame, numbed, comatose, anaesthetic, stupefied, chloroformed, drugged, stoned, palsy-stricken, indifferent, lukewarm, careless, mindless, regardless, inattentive, neglectful, disregarding, unconcerned, nonchalant, pococurante, insouciant, sans souci, unambitious, unaffected, unruffled, unimpressed, uninspired, unexcited, unmoved, unstirred, untouched, unshocked, unstruck, unblushing, unanimated, vegetative, callous, thick-skinned, hard-nosed, pachydermatous, impervious, hardened, inured, casehardened, steeled against, proof against, imperturbable, unfelt, insensibly, aequo animo, without being moved, without being touched, without being impressed, in cold blood, with dry eyes, with withers unwrung, never mind, macht nichts, it is of no consequence, it cannot be helped, nothing coming amiss, it is all the same to, it is all one to.

Physical Insensibility

N insensibility, physical insensibility, obtuseness, palsy, paralysis, paraesthesia, anaesthesia, sleep, hemiplegia, motor paralysis, vegetable state, coma, anaesthetic agent, opium, ether, chloroform, chloral, nitrous oxide, laughing gas, exhilarating gas, protoxide of nitrogen, refrigeration, insensible, unfeeling, senseless, impercipient, callous, thick- skinned, pachydermatous, hard, hardened, case hardened, proof, obtuse, dull, anaesthetic, comatose, paralytic, palsied, numb, dead.

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