1. (adjective) extremely evil or cruel; expressive of cruelty or befitting hell

• demonic
• diabolic
• diabolical
• fiendish
• hellish
• infernal
• unholy

1. (adjective) extremely evil or cruel; expressive of cruelty or befitting hell

• evil

1. (adjective) of or relating to Satan

• beelzebub
• devil
• lucifer
• old nick
• prince of darkness
• satan
• the tempter

1. (adjective) extremely evil or cruel; expressive of cruelty or befitting hell

• demon
• demon
• devil
• devil
• fiend
• fiend
• monster
• monster
• ogre
• ogre
• unholiness

2. (adjective) of or relating to Satan

• beelzebub
• devil
• lucifer
• old nick
• prince of darkness
• satan
• the tempter