A type of plant that has a sour taste, often found in fields.

A colloquial term for a situation that is disappointing or unpleasant.

निराशाजनक स्थिति

English Usage: After hearing the news, the whole day felt like sour grass.

Hindi Usage: खबर सुनने के बाद, पूरा दिन खट्टा घास जैसा लग रहा था।