Meaning : The feeling that comes when something burdensome is removed or reduced.
As he heard the news he was suddenly flooded with relief.
Meaning : The act of reducing something unpleasant (as pain or annoyance).
He asked the nurse for relief from the constant pain.
Alleviation ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Alleviation ka matlab kya hota hai?