INSENSIBILITY
Source: 566, 567
insensibility|insensibleness. Insensibility, or Insensibleness, n. stupidity, dulness
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In‐sen′si‐bil″i‐ty (?), n. [[Cf. F. insensibilité.]] 1. 1. The state or quality of being insensible; want of sensibility; torpor; unconsciousness; as, the insensibility produced by a fall, or by opiates.
2. 2. Want of tenderness or susceptibility of emotion or passion; dullness; stupidity.
Syn. — Dullness; numbness; unfeelingness; stupidity; torpor; apathy; impassiveness; indifference.