Uninhabitably

It is feared that climate change could make large parts of the earth uninhabitably hot.

Source: wiktionary

In sheer horror of his own uninhabitably solitary house, he rang for his hat and umbrella, and resolved to take refuge in the major’s cottage.

Source: wiktionary

We live in a housing project. It hasn’t been up long. A few days after it was up it seemed uninhabitably new, now, of course, it’s already rundown.

Source: wiktionary