Dark Forces

noun a supernatural being typically associated with evil, prevalent in various religions and mythologies

• The exorcist claimed to have encountered a powerful demon during the ritual.
• I heard a rumor that there's a demon living in the old abandoned house down the street.
• Dude, that movie was so scary, it felt like I was face to face with a demon!
• His addiction to gambling was like a demon that he couldn't shake off.

noun a supernatural being or entity believed to possess malevolent or harmful intentions

• The villagers believed that the illness was caused by an evil spirit.
• People say there's an evil spirit haunting that old house.
• I heard there's a creepy evil spirit hanging around the cemetery.
• The evil spirit of greed seemed to possess him, driving him to make unethical decisions.

noun a demon or evil spirit

• The suspect was described as a fiend by the witnesses.
• I can't believe that fiend stole my lunch from the break room!
• That fiend is always up to no good.
• Her obsession with perfection turned her into a cleaning fiend.

noun a character in a story or play who opposes the hero and engages in villainous behavior

• The villain in the play was portrayed as a cunning and manipulative character.
• That guy is such a villain, always causing trouble for everyone.
• Don't trust him, he's a total villain.
• In her mind, he was the villain who had broken her heart.