rotten to the core
Adjective
Meaning
(literally) Completely rotten.
(figuratively) (of a person) Extremely evil; without sound morals.
Source: en.wiktionary.orgAntonyms
Examples
Only crime and the criminal, it is true, confront us with the perplexity of radical evil; but only the hypocrite is really rotten to the core.
Mob law is the most forcible expression of an abnormal public opinion; it shows that society is rotten to the core.
It's a good thing that beauty is only skin deep, or I'd be rotten to the core.
They're literally terrible human beings. I've read their newsletter, I've visited their website, and they're just rotten to the core. For an organization that prides itself on Christian values - I mean, I'm an atheist, so what do I know?
“The system is rotten to the core … You either vote for Satan or the devil and you catch hell with either one,” said Min. Farrakhan.
This month, the department has gone through three chiefs in nine days before reverting to civilian control as a result of a growing series of horrific revelations and allegations indicating that the department is rotten to the core.