Dictionary.com

rotten to the core

Save This Word!

Thoroughly bad, as in It seems that this police unit is rotten to the core, involved in numerous extortion schemes. The noun core here denotes the central part or heart of anything or anyone. The idiom was first recorded in 1804.

QUIZZES

QUIZ YOURSELF ON THE 12 TYPES OF VERB TENSES!

Loosen up your grammar muscles because it’s time to test your knowledge on verb tenses!
Question 1 of 6
The verb tenses can be split into which 3 primary categories?

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Words nearby rotten to the core

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

How to use rotten to the core in a sentence

FEEDBACK