devil incarnate

Translations
дьявол во плоти
Many thought of the dictator as the devil incarnate.
Многие считали диктатора дьяволом во плоти.
Definitions
A person who embodies evil or malevolence, often used to describe someone who is perceived as extremely wicked or morally corrupt.
Words
devil

noun
дьявол
incarnate

adjective
воплощённый