hubris- +
(Greek: wanton violence, riotousness, insolence; outrage; arrogance)
Borrowed from Greek hybristikos, "insolent, wanton", from hybrizein, "to insult, to act outrageously", from hybris, "wanton violence, insolence".
hubris
1. Excessive, or overbearing, pride, insolent pride; arrogance.
2. The excessive pride and ambition that usually leads to the downfall of a hero in classical tragedy.
3. Etymology: from Greek hybris, "wanton violence, insolence, riotousness; outrage".
hubristic
1. An adjective form that describes someone as being arrogant.
2. Characterized by exaggerated pride or self-confidence.
hubristically
1. Descriptive of someone who is overbearingly proud or presumptive (believing that he/she is able to do or to be something which does not now exist).
2. Having an arrogant attitude.