untenable
uhn te nuh buhl
- s (of theories etc) incapable of being defended or justified
- The platoon made a tactical withdrawal when the platoon commander realized that their position on the sand dune had become untenable.
- The diplomat's immunity became untenable after his country disavowed any association with him.
- With the charges of insider trading against him, the position of Fredrick in the board has become untenable.