What is another word for most unallowable?
Pronunciation: [mˈə͡ʊst ʌnɐlˈa͡ʊəbə͡l] (IPA) 
Most unallowable refers to something that is not permissible or unacceptable under any circumstance. Some synonyms for the phrase could be "most unacceptable," "most prohibited," "most impermissible," or "most forbidden." These words convey a sense of strictness and severity, indicating that the action or behavior in question is completely out of bounds. Other synonyms might include "most illicit," "most unauthorized," or "most disallowed," all of which emphasize that such behavior is not only frowned upon, but its very existence is completely against the rules. Using any of these words in place of most unallowable would help convey the seriousness of the situation at hand.
