1. most reliable or complete, as of a text, author, criticism, study, or the like: the definitive biography of Andrew Jackson.
2. serving to define, fix, or specify definitely: to clarify with a definitive statement.
3. having its fixed and final form; providing a solution or final answer; satisfying all criteria: the definitive treatment for an infection; a definitive answer to a dilemma.
4. Biology. fully developed or formed; complete.
5. a defining or limiting
"results can be definitive as to things."
"volcanos can be definitive of eruptions."
"principles can be definitive in empires."
"borders can be definitive from dates."
"accounts can be definitive as people."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.