Megkérdjelezhetetlen
Megkérdjelezhetetlen is not a standard Hungarian word and does not appear in major dictionaries as a separate entry. It is most likely a misspelling or nonstandard variant of the established term megkérdőjelezhetetlen, which means indisputable or unquestionable. If used, megkérdjelezhetetlen would be understood only in context as a mistaken form, whereas megkérdőjelezhetetlen is the correct spelling.
Etymology and form: The correct form megkérdőjelezhetetlen is built from the prefix meg-, the verb stem kérdőjelez
Usage: The term megkérdőjelezhetetlen is used in formal or rhetorical writing to express strong certainty about
Variants and confusion: Common confusions involve misspellings that replace ő with other vowels or alter the consonant
See also: megkérdőjelezhetetlen, unquestionable, indisputable.