We found 2 dictionaries that define the word be rotten to the core:

General (1 matching dictionary)

1. be rotten to the core: Cambridge Advanced Learner's Dictionary

Miscellaneous (1 matching dictionary)

2. be rotten to the core: Idioms

▸ Words similar to be rotten to the core ▸ Usage examples for be rotten to the core ▸ Idioms related to be rotten to the core ▸ Wikipedia articles (New!) ▸ Words that often appear near be rotten to the core ▸ Rhymes of be rotten to the core ▸ Invented words related to be rotten to the core