We found 2 dictionaries that define the word sour grape:

Slang (2 matching dictionaries)

1. sour grape: Green’s Dictionary of Slang
2. Sour Grape: Urban Dictionary

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