Adverb
undebatably (comparative more undebatably, superlative most undebatably)
In a way that is not debatable; in an undebatable way.
Synonyms: unarguably, undisputably
Antonym: debatably
The only measurable and therefore undebatably existing human value is the instrumental value of an individual. There can be a justified hierarchy of individuals based on how much the removal of their talents or skills would weaken the community. Jussi Halla-aho