1. (noun) an evil supernatural being

• daemon
• daimon
• devil
• fiend

2. (noun) a cruel wicked and inhuman person

• devil
• fiend
• monster
• ogre

1. (noun) an evil supernatural being

• evil spirit

2. (noun) a cruel wicked and inhuman person

• disagreeable person
• unpleasant person

3. (noun) someone extremely diligent or skillful

• actor
• doer
• worker

1. (noun) an evil supernatural being

• dibbuk
• dybbuk
• incubus
• succuba
• succubus

2. (noun) a cruel wicked and inhuman person

• demoniac

1. (noun) an evil supernatural being

• demonise
• demonize
• devilise
• devilize
• diabolise
• diabolize

2. (noun) a cruel wicked and inhuman person

• atrocious
• flagitious
• grievous
• monstrous
• demonic
• demonic
• diabolic
• diabolic
• diabolical
• diabolical
• fiendish
• fiendish
• hellish
• hellish
• infernal
• infernal
• satanic
• satanic
• unholy
• unholy
• demonise
• demonize
• devilise
• devilize
• diabolise
• diabolize
• devilish
• diabolic
• diabolical
• mephistophelean
• mephistophelian