final; not able to be changed 最后的；决定性的；不可更改的 a definitive agreement/answer/statement 最后的协议／答复／声明 The definitive version of the text is ready to be published. 文本的正稿已备妥，可以发表了。
Extra ExamplesClearly, this study can not provide a definitive answer. 显然，这项研究不能提供一个明确的答案。 They have signed a definitive agreement to acquire the company outright. 他们已经签署了彻底收购该公司的最终协议。
- [usually before noun]
considered to be the best of its kind and almost impossible to improve 最佳的；最完整可靠的 the definitive biography of Einstein 最完整可靠的爱因斯坦传记 the definitive guide to the golf courses of Europe 欧洲高尔夫球场的权威指南
Word Originlate Middle English: from Old French definitif, -ive, from Latin definitivus, from definit- ‘set within limits’, from the verb definire, from de- (expressing completion) + finire ‘finish’.