What does "hubris" mean?

Excessive arrogance or pride, or presumption, originally (Greek mythology) toward the gods.

What is a synonym for "hubris"?

Common synonyms include: arrogance, arrogance, assumption, assurance, assuredness, audacity.

/ˈhjuːbɹɪs/ noun

noun ·Moderate ·College level

Noun

1
Excessive arrogance or pride, or presumption, originally (Greek mythology) toward the gods. countable, uncountable
"Antitrust prosecutors target big companies that exude hubris."
2
overbearing pride or presumption wordnet

"It's sort of the classic Greek tragedy of hubris begets nemesis."

Learned borrowing from Ancient Greek ὕβρις (húbris, “insolence, sexual outrage”).