Serving to put an end to doubt, question, or uncertainty; decisive. See Synonyms at decisive.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "conclusive" in a sentence
"Conclusive appears a more apt choice of words than necessarily and conclusive is a word not used by many with respect to origins questions."
"But after delving into centuries-old archives, two lawyers commissioned by the government of Silvio Berlusconi have produced what they call conclusive evidence that the renaissance masterpiece belongs not to Florence, but to the Italian state."
"QUESTION: Attorney General, several of our allies have received what they call conclusive proof that Osama bin Laden is connected with the September 11 attacks."