demon

Definitions

An evil spirit or devil, especially one thought to possess a person or act as a tormentor in hell.

A cruel, wicked, or destructive person.

A person who is extremely energetic or skillful at a particular activity.

Examples

He felt as though he were battling an inner demon that kept him from achieving his goals.

The protagonist in the novel had to face a literal demon summoned from the underworld.

Synonyms

fiend devil evil spirit monster specter ghoul malignant entity

Antonyms

angel saint deity seraph cherub divine being guardian spirit