Definition of conclusive
- The results were not conclusive.
the archeological discovery was conclusive proof that the Vikings had indeed settled in North America around 1000 A.D.
a conclusive argument for allowing the students to put on a play of their own choosing
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'conclusive.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: showing that something is certainly true
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