late 14c., from Old French definitif (12c.), from Latin definitivus "explanatory, definitive," from past participle stem of definire (see define). Related: Definitively.
权威例句
1. His "An Orkney Tapestry" is still the definitive book on the islands.
他的《奥克尼挂毯》一书仍是关于这些岛屿的最权威著作。
2. There is no definitive test as yet for the condition.
对这种病目前还没有决定性的检测手段。
3. This book is the definitive guide to world cuisine.