Meaning : Finish up or conclude.
Example :
They topped off their dinner with a cognac.
Top the evening with champagne.
Synonyms : top
Meaning : Fill to the point of almost overflowing.
Example :
She topped off the cup.
Top off ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Top off ka matlab kya hota hai?