noun HYOO-bris
Definition
: exaggerated pride or self-confidence
Examples
The company's failure was ultimately brought on by the hubris of its founder.
"I think confidence is one of the most important qualities that you need in a leader—self-assurance. But at times confidence can shade over into arrogance and even hubris." — Doris Kearns Goodwin, speaking on The Charlie Rose Show, 12 Jan. 2016