1. (

• definitive ,
• unequivocal

) clearly defined or formulated; "the plain and unequivocal language of the laws"- R.B.Taney ;

2. (

• authoritative ,
• definitive

) of recognized authority or excellence; "the definitive work on Greece" ;

3. (

• definitive ,
• determinate

) supplying or being a final or conclusive settlement; "a definitive verdict"; "a determinate answer to the problem" ;