In reply to Dave Cumberland:
noun: hubris
excessive pride or self-confidence.
"the self-assured hubris among economists was shaken in the late 1980s"
synonyms: arrogance, conceit, conceitedness, haughtiness, pride, vanity, self-importance, self-conceit, pomposity, superciliousness, feeling of superiority; hauteur.
antonyms: modesty
•(in Greek tragedy) excessive pride towards or defiance of the gods, leading to nemesis.