excessive pride or self-confidence.
synonyms: arrogance, conceit, haughtiness, hauteur, pride, self-importance, egotism, pomposity, superciliousness, superiority;
informal: big-headedness, cockiness
"the hubris among economists was shaken"
(in Greek tragedy) excessive pride toward or defiance of the gods, leading to nemesis.
How do you know when a Democrat is doing something improper, immoral or illegal? When they complain about Republicans doing it.