liable to change rapidly and unpredictably, especially for the worse

अस्थिर

English Usage: The situation in the region remains volatile, with tensions escalating daily.

Hindi Usage: क्षेत्र का स्थिति अस्थिर बनी हुई है, जहां तनाव हर दिन बढ़ रहा है.

the quality of being subject to rapid and unpredictable change, especially for the worse

परिवर्तनशीलता

English Usage: The volatility of the stock market can lead to significant financial gains or losses.

Hindi Usage: शेयर बाजार की परिवर्तनशीलता महत्वपूर्ण वित्तीय लाभ या हानि का कारण बन सकती है.