What is another word for un-impeachable?
Pronunciation: [ˈʌnɪmpˈiːt͡ʃəbə͡l] (IPA) 
There are several synonyms for the word "un-impeachable" that can be used to convey similar meanings. Some examples include: unassailable, unquestionable, indisputable, irrefutable, and undeniable. These words all suggest a level of strength and consistency in the idea being presented, with little or no room for doubt or debate. "Unassailable" implies that an argument or fact cannot be attacked or refuted, while "unquestionable" suggests that there is no room for uncertainty or hesitation in accepting it. "Indisputable" and "irrefutable" both suggest that the evidence for a claim is so strong that it cannot be argued against, while "undeniable" conveys the idea that even those who might disagree with the point cannot deny its validity.
