We found 5 dictionaries that define the word day before yesterday:

General (5 matching dictionaries)

1. the day before yesterday: Merriam-Webster
2. the day before yesterday: Cambridge Advanced Learner's Dictionary
3. day before yesterday: Wiktionary

Phrases: the day before yesterday, more... ▸ Words similar to day before yesterday ▸ Usage examples for day before yesterday ▸ Idioms related to day before yesterday ▸ Wikipedia articles (New!) ▸ Words that often appear near day before yesterday ▸ Rhymes of day before yesterday ▸ Invented words related to day before yesterday