chug along
- trundleMove heavily on wheels
- plodMove slowly, heavily
- lumberSawn wood for building
- trudgeWalk slowly, heavily
- persevereContinue despite obstacles
steady · locomotive · engine · train · steam · putter · grind · slow · persistent · onward · rumble · churn · wheels · tracks · exhaust · rhythm · monotonous · reliable
continuity of motion
chug alongstop
Cease all motion
halt · stall · grind to a halt · cease · break down
progress quality
chug alongsurge ahead
Advance rapidly past others
leap forward · take off · skyrocket · break through · regress