Meaning : Work doggedly or persistently.
Example :
She keeps plugging away at her dissertation.
Synonyms : keep one's nose to the grindstone, keep one's shoulder to the wheel, peg away, slog
Meaning : Persist in working hard.
Example :
Students must plug away at this problem.
Synonyms : plug
Plug away ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Plug away ka matlab kya hota hai?