We found 4 dictionaries that define the word turn something upside down:

General (4 matching dictionaries)

1. turn something upside down: Longman Dictionary of Contemporary English
2. turn something upside down: Merriam-Webster

Phrases: to turn something upside down, more... ▸ Words similar to turn something upside down ▸ Usage examples for turn something upside down ▸ Idioms related to turn something upside down ▸ Wikipedia articles (New!) ▸ Words that often appear near turn something upside down ▸ Rhymes of turn something upside down ▸ Invented words related to turn something upside down