presumptuousKK [prɪˋzʌmptʃəwəs] /pɹɪˈzʌmptʃəwəs/發音形容詞1冒昧的、放肆的、唐突的It would be presumptuous of me to comment on their family matters.我若對他們的家務事發表意見，就太冒昧了。2自以為是的、傲慢的貶義He made the presumptuous assumption that everyone would agree with him.他自以為是地認定每個人都會同意他的看法。