bumptiousness

/ˈbʌmpʃəsnəs/
noun
  1. The quality or state of being bumptious; overbearing self-assertion or conceit.
    • His bumptiousness made him unpopular with the team, despite his talent.
    • The manager’s bumptiousness was tolerated only because she got results.
    • A little confidence is good, but bumptiousness can ruin friendships.
Antonyms
What does "bumptiousness" mean? | whatsthatwordmean | whatsthatwordmean