1. Athymia (plural Athymias) ( medicine ) The absence of emotion; morbid impassivity

2. Henceforth, the Legion would forever be characterized by this abnegation, this impassivity under fire regardless of the sacrifice.

3. Abstraction - Boobishness - boorishness - disinterest - doltishness - impassivity - inanimation - inappetence - insouciance - languidness - loutishness - lumpishness - melancholia - nonchalance - passiveness - resignation - sottishness 12 letter words

4. Apathy, impassivity, and indifference all denote a lack of responsiveness to something that might normally excite interest or emotion

5. 1600, "calmness, impassivity," a term used by stoics and skeptics, from Modern Latin, from Greek Ataraxia "impassiveness," from a-"not, without" (see a-(3)) + tarassein (Attic tarattein) "to disturb, confuse," from PIE root *dhrehgh-"to confuse." It seems to have been disused; when Ataraxia appeared in print in English in 1858 it was regarded as a