Decay or deterioration that has a sharp, unpleasant taste or smell.

कड़वा सड़न

English Usage: The bitter rot of the fruit made it inedible.

Hindi Usage: फल की कड़वी सड़न इसे खाने योग्य नहीं बनाती।

Having a harsh, unpleasant taste; not sweet.

Characterized by strong emotions, especially anger or resentment.

तीखा

English Usage: She had a bitter resentment towards her former employer.

Hindi Usage: उसे अपने पूर्व नियोक्ता के प्रति तीखा गुस्सा था।

To decay or cause to decay.

To spoil or deteriorate in quality.

खराब होना

English Usage: The milk will rot if not refrigerated.

Hindi Usage: अगर दूध को रेफ्रिजरेट नहीं किया गया तो वह खराब हो जाएगा।