Adjective

(en adjective)

That cannot be made to budge; immovable, fixed.

*{{quote-news, year=2009, date=October 1, author=, title=Answering Iran’s Nuclear Challenge, work=New York Times citation

, passage=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. }}

Adjective

(en adjective)

Stiff, rather than flexible.

Fixed, rather than moving.

* 2011 ,David Foster Wallace, The Pale King ,Penguin Books, page 5:

A sunflower, four more, one bowed, and horses in the distance standing rigid and still as toys.

Rigorous and unbending.

Uncompromising.