unmoistenable 

An object that cannot be moistened is said to be unmoistenable.

Eg. "My balls are so dry they're actually unmoistenable."

unmoistenable by MiniNipples October 24, 2013

unlistenable 

American politics at its worse. The insufferable monologues by politicians denying, but never offering solutions to, the crisis that people living in the United States are suffering from every day.

Trump’s pontifications are unlistenable.

unlistenable by Nonsum Barnett July 15, 2020