What does "cacodaemon" mean?

A wicked or malevolent spirit as opposed to agathodemon (a good spirit).

What is a synonym for "cacodaemon"?

Common synonyms include: cacodemon.

Pronounced //kækəˈdiːmən//.

/kækəˈdiːmən/ noun

noun ·Rare ·Advanced level

Noun

1
A wicked or malevolent spirit as opposed to agathodemon (a good spirit).
2
an evil spirit wordnet
3
Twelfth astrological House, from which only evil prognostics are alleged to proceed.
4
A nightmare. obsolete

From Ancient Greek κακοδαίμων (kakodaímōn), from κακός (kakós, “bad, evil”) and δαίμων (daímōn, “divinity, genius”).