hubris
noun
[ ˈhjuːbrɪs ]
• excessive pride or self-confidence.
• "the self-assured hubris among economists was shaken in the late 1980s"
Similar:
arrogance,
conceit,
conceitedness,
haughtiness,
pride,
vanity,
self-importance,
self-conceit,
pomposity,
superciliousness,
feeling of superiority,
hauteur,
uppitiness,
big-headedness,
Origin:
Greek.