1. of, relating to, or characteristic of a demon or demons; evil or wicked in nature
Usage: often used in literary or religious contexts; variant spelling of 'demonic' (more common in modern usage)
2. possessed by or as if by a demon; frenzied or uncontrollable
Usage: archaic or literary

Examples

• The villain's demonical laughter echoed through the castle.
• She displayed a demonical rage when she learned of the betrayal.
• The ancient texts described demonical forces at work in the world.
• His demonical obsession with revenge consumed his every thought.
• The painting depicted demonical creatures tormenting the damned.
• The storm seemed to have a demonical quality, as if nature itself was angry.