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1. Not subject to suffering, pain, or harm.
2. Unfeeling; impassive.

[Middle English, from Old French, from Late Latin impassibilis : in-, not; see in-1 + passibilis, passible; see passible.]

im·pas′si·bil′i·ty, im·pas′si·ble·ness n.
im·pas′si·bly adv.
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References in classic literature ?
Fogg returned was exactly the Fogg who had gone away; there was the same calm, the same impassibility.
They see us," said Aramis, and sank again into impassibility.
Milady for some time examined with increasing terror that pale face, framed with black hair and whiskers, the only expression of which was icy impassibility.
said the baroness, irritated at the impassibility of her husband; "do these things concern me?
The eyes of the Puritan flashed, but only once, and his countenance, for an instant, illuminated by that flash, resumed its somber impassibility.
No violence, however, had as yet been committed; and the file of horsemen who were guarding the approaches of the Buytenhof remained cool, unmoved, silent, much more threatening in their impassibility than all this crowd of burghers, with their cries, their agitation, and their threats.
For the moment he lost the sense of his wound in a sudden speculation about this new form of feminine impassibility revealing itself in the sylph-like frame which he had once interpreted as the sign of a ready intelligent sensitiveness.
Francis Hutcheson and John Clarke: Self-Interest, Desire, and Divine Impassibility, JOHN J.
At-risk populations--specifically women and children--in category C communities are vulnerable to inadequate or delayed treatment, advanced disease, or death, due to distance from a health facility, seasonal road impassibility, lack of public transport, and cost (7).
Luther held formally to the traditional idea of divine immutability and impassibility.
Those were truly hard years for his sensitive temperament and his faith and scientific tenacity; years in that his experimental perseverance filled of results, collided rudely with the negative impassibility of everybody; and his theoretical and experimental conclusions tenaciously maintained, were considered more or less than as the result of a scientifically feverish and sick mind (1,15).
Occasionally he errs on a point, as when he says that Tertullian assures the impassibility of God by dividing the burden between Father and Son (121); S.