Definitions:

1. Pertaining to an evil spirit or having the qualities of a demon, especially one that brings about spiritual or psychological torment. ADJECTIVE
   • The ancient curse was said to awaken the cacodemonic spirits that slumbered beneath the earth.
2. Refers to something that is relating to, characteristic of, or resembling a cacodemon. ADJECTIVE
   • His thoughts took on a cacodemonic tone, as if hunted by unseen forces.
3. Something evil, demonic, or malevolent in nature or influence. ADJECTIVE
   • The painting was filled with cacodemonic imagery, evoking a sense of dread and chaos.

Synonyms:

• cacodaemonic
• demonic
• diabolical
• fiendish
• infernal
• malevolent