plod

bang away, dig (away), drudge, endeavor, grub, hump, hustle, labor, moil, peg (away), plow, plug, slave, slog, strain, strive, struggle, sweat, toil, travail, tug, work

blunder, bumble, flounder, limp, lumber, struggle, stumble, trudge

crawl, creak (along), creep, drag, inch, limp, nose, ooze, poke, slouch

barge, clump, flounder, galumph, lumber, lump, pound, scuff, scuffle, shamble, shuffle, slog, slough, stamp, stomp, stumble, stump, tramp, tromp, trudge