Trudge (along) is a term used to describe a slow, laborious journey or task. It is often used to describe walking, and can be used to describe any activity that requires a lot of effort. The crossword solutions for this term are LUMBER (6 letters), FOOTSLOG (8 letters), and PLOD (4 letters). LUMBER is an archaic term meaning to move slowly and heavily, while FOOTSLOG is a more modern term meaning to walk long distances with heavy loads. PLOD is another term meaning to walk slowly and heavily, often with a sense of determination. All three terms can be used to describe trudging along.