To save this word, you'll need to log in.
Definition of rotten to the core
of a person
: very bad or dishonest
Comments on rotten to the core
What made you want to look up rotten to the core? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Homophone Quiz
- In order to judge how people felt, the senator's office hired a firm to take a
______.
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Share rotten to the core