Cannot Be Maintained, E.g. an __ Position

This page is the CodyCross answer for the clue below from Underground Worlds, Group 2178, Puzzle 4 (Burial Grounds).

Question is: Cannot Be Maintained, E.g. an __ Position

and the answer is: UNTENABLE

Word Meaning:

UNTENABLE — Not able to be held or sustained, such as of an opinion or position.

Definitions from Wiktionary.

Cannot be maintained, e.g. an __ position — CodyCross Answer | CodyCross Solutions