"Cacodaemonic" is an adjective that describes something evil or demonic in nature. There are many synonyms for this word, including devilish, infernal, demonic, diabolical, malign, malevolent, wicked and sinister. These words can be used interchangeably to describe something that is dark and possibly evil. They all share the characteristic of being associated with negative connotations, such as evil or darkness. Other synonyms include fiendish, hellish, maleficent, satanic and demonic. These words can be used to describe people, actions, or things that are associated with evil or dark forces. Whether it is describing a person or a thing, these words are all designed to make us feel uneasy and fearful.