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If something is conclusive, it shows that a thing is definitely true — or definitely not true. Conclusive evidence. A conclusive test. A conclusive victory. The argument can stop because this settles it. It is a strong, rather formal word; in science and in court it means “this is enough; we are not still guessing.” Though actually, people sometimes call a result conclusive when it is only strong, and another study later knocks it down. Still, the word itself claims a high bar: not “this suggests,” but “this shows.” It is not the same as concluding, which only means “coming last.”
確鑿的；決定性的（證據、結果）
組成From French conclusif, from Late Latin conclusīvus, from the past participle of Latin conclūdere, “to shut, to end, to settle.”
同家族的字
- concludeto settle or bring to an end; conclusive is “able to settle the question”
- conclusionthe decision you reach, or the end of a text
- conclusivelythe adverb: in a way that settles it
- concludingonly means last in order, not “proven”
原始詞典資料2 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
conclusiveadj/kənˈkluːsɪv/
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Pertaining to a conclusion.
- 2
Providing an end to something; decisive.
- The set of premises of a valid argument is conclusive in the sense that no further evidence could possibly be added to the set of premises which would make the argument invalid.
- conclusive evidence
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。