- definitive, unequivocal - clearly defined or formulated; "the plain and unequivocal language of the laws"- R.B.Taney
Antonyms: implicit, inexplicit (indirect, via explicit)
- authoritative, classical, definitive - of recognized authority or excellence; "the definitive work on Greece"; "classical methods of navigation"
Antonym: nonstandard (indirect, via standard)
- definitive, determinate - supplying or being a final or conclusive settlement; "a definitive verdict"; "a determinate answer to the problem"
Antonym: inconclusive (indirect, via conclusive)