the situation is unlikely to change in the foreseeable future
the illimitable human capacity for evil
an incombustible floor construction
the two types of science are incommensurable
He has always known God's judgment to be immutable, incommutable .
a language that is incomprehensible to anyone outside the office
they gave him a look of complete incomprehension
Root lengths were measured by aligning an inextensible cord with the roots and then taking measurements of the cord with a ruler.
inextinguishable good humor
The discussion of the divine Trinity, the issue of irremissible sin and the treatment of Montanist oracles demonstrate that Tertullian re-creates and modifies the ideas of Montanism.
an uncomprehending silence
her gray eyes were dark with some unfathomable emotion
an unimpeachable witness
an unperformed play
until now this devastating disease has been unpreventable
none of these approaches is unproblematic
the hypothesis is not merely unprovable, but false
his enthusiasm was unquenchable
their motives in coming were complex and unsearchable