Definitions

1. adjective

having or showing a tendency to be impertinent, presumptuous, or overconfident, especially in a way that is annoying or unattractive.

“He was considered bounderish for interrupting the speaker without being called upon.”

2. noun

a person who is impertinent, presumptuous, or overconfident, especially in a way that is annoying or unattractive.

“The bounderish colleague made everyone uncomfortable with his boisterous behavior.”