conclusory UK /kənˈkluːzəɹi/US /kənˈkluzɔɹi/ adjective3 •Serving as or relating to a conclusion; concluding, postfatory.[…] to this purpose they cited the examples of Jacob and Esau, and the similitude of the potter Rom. 9, and the conclusory words of the Apostle there, and 1. Cor. 3:5, & 4, 7, & 2. Tim.2: 19, &c. — 1662 •Offering a conclusion with seriously deficient support in fact or logic; begging the question.These claims are conclusory and unsupported by any specific allegations, let alone evidence. •(rare) Conclusive; causing a definitive conclusion. formsmore conclusory · most conclusory