Related Clues:

• Tread heavily
• Make slow progress
• Trudge (through)
• Hard worker at boring tasks
• Trudge tediously
• Walk laboriously
• Labourer
• Lumber along
• Move with effort
• Not tread lightly
• Don't tread lightly
• Trudge (on)
• Slog (along)
• Walk like a lummox
• Walk with heavy steps