Synonyms for plug-away
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- 1. plug away, peg away, slog, keep one's nose to the grindstone, keep one's shoulder to the wheel, work
- usage: work doggedly or persistently; "She keeps plugging away at her dissertation"
- 2. plug, plug away, persevere, persist, hang in, hang on, hold on
- usage: persist in working hard; "Students must plug away at this problem"