Insensibility

Part of speech: noun (n.)

1. The state or quality of being insensible; want of sensibility; torpor; unconsciousness; as, the insensibility produced by a fall, or by opiates.

2. Want of tenderness or susceptibility of emotion or passion; dullness; stupidity.

Synonyms: Dullness; numbness; unfeelingness; stupidity; torpor; apathy; impassiveness; indifference.