1. Admitting of no doubt or misunderstanding; having only one meaning or interpretation and leading to only one conclusion
   "unequivocal evidence"; "took an unequivocal position"; "an unequivocal success";
   - univocal, unambiguous
    
2. Clearly defined or formulated
   "the plain and unequivocal language of the laws";
   - definitive

See also: absolute, explicit, expressed, straightforward, unambiguous, unquestionable