From Longman Dictionary of Contemporary Englishpresumptuouspre‧sump‧tu‧ous /prɪˈzʌmptʃuəs/ adjective formal CONFIDENTdoing something that you have no right to do and that seems rudeis it presumptuous (of somebody) to do something Would it be presumptuous of me to ask why you are so miserable? —presumptuously adverb —presumptuousness noun [uncountable]
Examples from the Corpus
presumptuous• The Rossi style is so revered that construction of an exact copy was deemed presumptuous.• I have found the way I have been treated by qualified and unqualified people patronising and presumptuous and deeply offensive.• Some groups are presumptuous enough to recommend resolutions to us.• I am not presumptuous - I would leave that to the People.• How presumptuous my claims to knowledge based only on what I see, leaving out what I fail to see.• It would be presumptuous of me to speak on behalf of my colleagues.• If not, perhaps he should before making such presumptuous statements.• But as it was, when the generals entered they had it all their own presumptuous way. 