Definition of impassability in US English:

impassability

noun

  • See impassable

    • ‘While it rejects process theology, the book asserts that such classical doctrines as God's immutability, impassability and foreknowledge demand reconsideration.’
    • ‘His eyes were brown and narrowed in a look of impassability, and his mouth was set in a grim line that nearly sent a shudder through the young initiate.’
    • ‘Her eyes slowly rose from its foot to its acme, taking in its enormity and impassability.’

Pronunciation

impassability

/imˌpasəˈbilədē//ɪmˌpæsəˈbɪlədi/