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1. Work doggedly or persistently
   "She keeps slogging at her dissertation";
   - plug away, peg away, keep one's nose to the grindstone, keep one's shoulder to the wheel, slave away, grind away
    
2. Walk heavily and firmly, as when weary, or through mud
   "Mules slogged in a circle around a grindstone";
   - footslog, plod, trudge, pad, tramp, tromp [N. Amer, informal]
    
3. Strike heavily, especially with the fist or a bat
   "He slogged me so hard that I passed out";
   - slug [informal], swig

1. Long and tiring mental or physical work, travel, etc.
   "writing the paper was a real slog"; "getting up the hill was a slog";
   - effort
    
2. [Brit, informal] A heavy blow with the hand
   - thump, slug

Derived forms: slogging, slogs, slogged

Type of: blow, hit, walk, work

Encyclopedia: Slog