I. (ˌ)im-ˈpa-sə-bəl adjective
Etymology: Middle English, from Middle French or Late Latin; Middle French, from Late Latin impassibilis, from Latin in- + Late Latin passibilis passible
Date: 14th century
1.
a. : incapable of suffering or of experiencing pain
b. : inaccessible to injury
2. : incapable of feeling : impassive
• im·pas·si·bil·i·ty -ˌpa-sə-ˈbi-lə-tē noun
• im·pas·si·bly -ˈpa-sə-blē adverb
II.
variant of impassable