Meaning of the word bumptious in English

What does bumptious mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

bumptious

US /ˈbʌmp.ʃəs/
UK /ˈbʌmp.ʃəs/
"bumptious" picture

Adjective

offensively self-assertive or proud

Example:
His bumptious attitude made him unpopular with his colleagues.
The new manager was quite bumptious, always boasting about his achievements.