We found 4 dictionaries that define the word flat sour:

General (3 matching dictionaries)

1. flat sour: Merriam-Webster
2. flat sour: Infoplease Dictionary
3. flat sour: Dictionary.com

Medicine (1 matching dictionary)

4. flat sour: Medical dictionary

▸ Words similar to flat sour ▸ Usage examples for flat sour ▸ Idioms related to flat sour ▸ Wikipedia articles (New!) ▸ Words that often appear near flat sour ▸ Rhymes of flat sour ▸ Invented words related to flat sour