Unequivocal

1. adjective

   admitting of no doubt or misunderstanding; having only one meaning or interpretation and leading to only one conclusion

   “unequivocal evidence”

   Similar: univocal, unambiguous

2. adjective

   clearly defined or formulated; - R.B.Taney

   “the plain and unequivocal language of the laws”

   Similar: definitive