presumptuous

PRESUMP'TUOUS, adjective 1. Bold and confident to excess; adventuring without reasonable ground of success; hazarding safety on too slight grounds; rash; applied to persons; as a presumptuous commander.There is a class of presumptuous men whom age has not made cautious, nor adversity wise.2. Founded on presumption; proceeding from excess of confidence; applied to things; as presumptuous hope.3. Arrogant; insolent; as a presumptuous priest.Presumptuous pride.4. Unduly confident; irreverent with respect to sacred things.5. Willful; done with bold design, rash confidence or in violation of known duty; as a presumptuous sin