1. comparative form of evil; more evil or wicked
Usage: Standard comparative of the adjective 'evil'; Often used in formal or literary contexts

Examples

• The villain in the sequel was eviller than the original antagonist.
• Some consider that act eviller than the crime that preceded it.
• The eviller twin became the focus of the horror film.
• His eviller intentions were finally revealed in the final chapter.
• That was an eviller deed than anyone had anticipated.