decline1
/dɪˈklaɪn डिˈक्लाइन्/ verb 1 [I] to become weaker, smaller or less good (किसी का) ह्रास होना, क्षीण होना
declining profits
The standard of education has declined in this country.
2 [I, T] ( formal ) to refuse, usually politely (नम्रता से) अस्वीकार करना
Thank you for the invitation but I’m afraid I have to decline.
3 [I, T] ( grammar ) if a noun, an adjective or a pronoun declines, it has different forms according to whether it is the subject or the object of a verb, whether it is in the singular or plural, etc. When you decline a noun, etc., you list these forms संज्ञा, विशेषण या सर्वनाम शब्दों के विविध रूप प्रस्तुत करना; कारक विभक्तियाँ लगाना