This is the 962nd most frequent Urdu word.
نہایت
Extremely; very.
In this usage, 'نہایت' serves to enhance the intensity of the emotion of joy connected to the act of accepting the reward.
میں نے نہایت خوشی سے یہ انعام قبول کیا۔
I accepted this reward with immense joy.
In this context, 'نہایت' is used to emphasize the extreme significance or importance of the task.
یہ کام نہایت اہم ہے۔
This task is extremely important.
Here, 'نہایت' is used to highlight the degree of goodwill or cheerfulness with which the action was performed.