bumptious
adjective
offensively self-assertive.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He not only succeeded, but he took success modestly, and leaves a namePg 170 for unselfishness and unbumptiousness.
From From Capetown to Ladysmith An Unfinished Record of the South African War by G. W. (George Warrington) Steevens