unbudgeable

un- +‎ budgeable

unbudgeable (comparative more unbudgeable, superlative most unbudgeable)

1. That cannot be made to budge; immovable, fixed.
   • 2009 October 1, “Answering Iran’s Nuclear Challenge”, in New York Times‎:

     For it would surely improve the domestic standing of Prime Minister Benjamin Netanyahu, an unbudgeable hawk, and thereby indefinitely delay peace on that Middle Eastern front.

• unbudgeably