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English definition of “presumptuous”

presumptuous

adjective uk   /prɪˈzʌmp.tʃəs/ us    /-ˈzʌmp.tʃuː.əs/
A person who is presumptuous shows little respect for others by doing things they have no right to do: It would be presumptuous of me to comment on the matter.Rude and cheekyRelating to sex and sexual desire
presumptuously
adverb uk   /-li/ us  
Rude and cheekyRelating to sex and sexual desire
presumptuousness
noun [U] uk   /-nəs/ (formal presumption) us  
(Definition of presumptuous from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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