The term "legally untenable" is correct and usable in written English.
You can use it when referring to something that is not legally defensible or is unlikely to stand up in a court of law. For example, "The judge determined that the defendant's argument was legally untenable and dismissed the case."
The US government's response, however, is legally untenable.
On top of that, Romney's first-year plan is legally untenable.
For Marshall the surest way to destroy racism was not to provoke whites, but to render their racism legally untenable.
Apart from showing substantial differences between them on pivotal issues, the guidelines contain various elements that appear scientifically incorrect and/or legally untenable.
Judge Foust came to the absurd and legally untenable conclusion that labor unions have a property right to the wages of workers".
(In 2008, Rose stated that these reports were false and that the alleged coercion would have rendered the contract legally untenable. ) Another riot occurred in August 1992 at Montreal's Olympic Stadium, during a co-headlining tour with Metallica.
While that argument is legally and factually untenable, it is entire inapplicable with respect to the Galaxy S3, which reportedly will sell phenomenally well immediately upon launch".
Yet as long as Kenneth Starr, the independent counsel, continues his open-ended threats of indictments Mr. Clinton cannot abandon this intellectually untenable but legally necessary position.
"The panel considers this situation, in which the global community does not take seriously its obligations under the international health regulations (2005) – a legally binding document – to be untenable".
But will not give all the relevant answers to identify what is legally and technically feasible but morally untenable".
But the difficulty – the special British Brexit difficulty – is that what's untenable in the States is legally impossible here.
