univocal
1. [ adjective ] admitting of no doubt or misunderstanding; having only one meaning or interpretation and leading to only one conclusion
Synonyms: unambiguous unequivocal
Examples:

"unequivocal evidence" "took an unequivocal position" "an unequivocal success" "an unequivocal promise"

Related terms: equivocal straightforward unquestionable absolute unambiguous