What is another word for most unascertained?
Pronunciation: [mˈə͡ʊst ʌnˌasətˈe͡ɪnd] (IPA) 
The phrase "most unascertained" can be replaced with several synonyms depending on the context. For instance, it can be replaced with "most uncertain," implying a sense of doubt or lack of clarity. It can also be replaced with "most ambiguous," which suggests a level of incomprehensibility or vagueness. Another synonym for the phrase is "most undetermined," which denotes a lack of decision or resolution. Additionally, "most unknown" can be used when referring to something that is still a mystery or not yet discovered. Therefore, using synonyms such as uncertain, ambiguous, undetermined, or unknown helps to make your writing more varied and interesting.
