Excessive; immoderate; exorbitant
In horse management an unsound horse is one suffering ill-health that affects its suitability for its intended work.
Contradicting or disregarding the principles of logic.
That cannot be justified or excused; inexcusable
Find another word for untenable. In this page you can discover 10 synonyms, antonyms, idiomatic expressions, and related words for untenable, like: unsupportable, unreasonable, unsound, flawed, illogical, indefensible, unworkable, unfeasible, implausible and impractical.