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Verb: plug away  plúg u'wey
  1. Work doggedly or persistently
    "She keeps plugging away at her dissertation";
    - peg away, slog, keep one's nose to the grindstone, keep one's shoulder to the wheel, slave away, grind away
     
  2. Persist in working hard
    "Students must plug away at this problem";
    - plug [informal]

Derived forms: plugging away, plugs away, plugged away

Type of: hang in, hang on, hold on, persevere, persist, work