relating to a disease or condition that is persistent or long-lasting.

denoting a habitual or recurring issue.

आदतन

English Usage: He has a chronic tendency to procrastinate.

Hindi Usage: उसकी आदतन टालने की प्रवृत्ति है।

the process of declining or deteriorating.

a decline in quality or function.

गुणवत्ता में कमी

English Usage: The degeneration of muscle function can lead to severe disability.

Hindi Usage: पेशी की कार्यक्षमता में कमी गंभीर विकलांगता का कारण बन सकती है।