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English definition of “bumptious”

bumptious

adjective uk   /ˈbʌmp.ʃəs/ disapproving us  
unpleasantly confident: a bumptious young manShowing arrogance and conceitConfidence and self-assuranceBoasting
bumptiously
adjective uk   /-li/ us  
bumptiousness
noun [U] uk   /-nəs/ us  
(Definition of bumptious from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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