presumptuous /prɪˈzʌmpʃəwəs/ adjective /prɪˈzʌmpʃəwəs/
adjective
Learner's definition of PRESUMPTUOUS
[more presumptuous; most presumptuous] formal
: too confident especially in a way that is rude自负的;(尤指)傲慢的,放肆的 : done or made without permission, right, or good reason擅自的;毫无理由的;专横的
— presumptuousness
noun [noncount]