We found 7 dictionaries that define the word through the back door:

General (3 matching dictionaries)

1. through the back door: Merriam-Webster
2. Through the Back Door: Wikipedia, the Free Encyclopedia
3. through the back door: TheFreeDictionary.com

Computing (1 matching dictionary)

4. through the back door: Encyclopedia

Miscellaneous (1 matching dictionary)

5. through the back door: Idioms

Slang (2 matching dictionaries)

6. through the back door, Through the Back Door: Urban Dictionary

Definitions from Wikipedia (Through the Back Door) ▸ noun:  a 1921 American silent comedy drama film directed by Alfred E. Green and Jack Pickford, and starring Mary Pickford. ▸ Words similar to through the back door ▸ Usage examples for through the back door ▸ Idioms related to through the back door ▸ Wikipedia articles (New!) ▸ Words that often appear near through the back door ▸ Rhymes of through the back door ▸ Invented words related to through the back door