ə̇m, (ˈ)im+ adjective
Etymology: Middle English, from Middle French or Late Latin; Middle French, from Late Latin impassibilis, from Latin in- in- (I) + passibilis passible — more at passible
1.
a. : incapable of suffering or of experiencing pain
the Godhead is impassible , for where there is perfection and unity, there can be no suffering — Aldous Huxley
b. : incapable of being harmed : inaccessible to injury
as impassible as a ghost — Walker Percy
2. : incapable of feeling : impassive , unfeeling , cold
the murderer stood impassible gazing down at his victim
• im·pas·si·bly -əblē, -li adverb