We found 15 dictionaries that define the word back to front:

General (11 matching dictionaries)

1. back to front: Merriam-Webster
2. back to front: Oxford Learner's Dictionaries
3. back to front: Collins English Dictionary
4. back to front: Cambridge Advanced Learner's Dictionary
5. back to front: Wiktionary
6. Back to Front (Caravan album), Back to Front (Gilbert O'Sullivan album), Back to Front (Lionel Richie album), Back to Front (Temptations album), Back to Front (The Temptations album), Back to Front: Wikipedia, the Free Encyclopedia
7. back-to-front: TheFreeDictionary.com
8. back to front: Longman Dictionary of Contemporary English
9. back to front: Merriam-Webster

Business (1 matching dictionary)

10. back-to-front: Legal dictionary

Computing (1 matching dictionary)

11. back-to-front: Encyclopedia

Medicine (1 matching dictionary)

12. back-to-front: Medical dictionary

Slang (1 matching dictionary)

13. back to front: Urban Dictionary

Definitions from Wiktionary (back to front) ▸ adverb:  Turned so that the back is now at the front. ▸ adjective:  Reversed, with the back now at the front. Similar: turn-about, right-about-face, back and forth, full circle, transpositionally, retrotranscriptionally, retrotranspositionally, postzygotically, crisscross, renewedly, more... Phrases: back to front words, more... ▸ Words similar to back to front ▸ Usage examples for back to front ▸ Idioms related to back to front ▸ Wikipedia articles (New!) ▸ Popular nouns described by back to front ▸ Words that often appear near back to front ▸ Rhymes of back to front ▸ Invented words related to back to front