This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. The property of being insensible.

n. The state or quality of being insensible; lack of sensibility; torpor; unconsciousness.

n. Lack of tenderness or susceptibility of emotion or passion; dullness; stupidity.

n. Lack of physical sensibility; the state of being insensible to physical impressions; absence of feeling or sensation.

n. Lack of moral sensibility, or the power to be moved or affected; lack of tenderness or susceptibility of emotion.

n. Synonyms Indifference, Insensibility, Impassibility, etc. See apathy.

n. devoid of passion or feeling; hardheartedness

n. a lack of sensibility

"But this _insensibility_, this heartlessness, gives very much the effect of a positive and real ill nature, and M. Bergson had thus simply repeated and expressed in a new way, more precise and correct, the opinion of Aristotle: the cause of laughter is malice mitigated by insensibility or the absence of sympathy."

feeling   

unconsciousness   

sensitive   

impassiveness    dullness    torpor    unfeelingness    numbness    stupidity    indifference    apathy    unconsciousness    insensateness   

apathy    numbness    stupor    torpor    incapacity    unconsciousness    carelessness    callousness    deadness    prostration