An alternative spelling of the word "sour," often used in dialects.

खट्टा

English Usage: The milk has turned soor and should not be consumed.

Hindi Usage: दूध खट्टा हो गया है और इसे नहीं पीना चाहिए।

To become sour or bitter.

खट्टा होना

English Usage: If left out in the sun, the fruits may soor unpleasantly.

Hindi Usage: अगर इसे धूप में रखा जाए, तो फल खट्टा हो सकते हैं।