Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb plug_away

2 senses of plug away

Sense 1
plug away, peg away, slog, keep one's nose to the grindstone, keep one's shoulder to the wheel -- (work doggedly or persistently; "She keeps plugging away at her dissertation")
       => work -- (exert oneself by doing mental or physical work for a purpose or out of necessity; "I will work hard to improve my grades"; "she worked hard for better living conditions for the poor")

Sense 2
plug, plug away -- (persist in working hard; "Students must plug away at this problem")
       => persevere, persist, hang in, hang on, hold on -- (be persistent, refuse to stop; "he persisted to call me every night"; "The child persisted and kept asking questions")