Definitions for "Plodding"
Progressing in a slow, toilsome manner; characterized by laborious diligence; as, a plodding peddler; a plodding student; a man of plodding habits.
the act of walking with a slow heavy gait
(of movement) slow and laborious; "leaden steps"
Keywords:  monotonous, routine, hard, work
hard monotonous routine work
Keywords:  horse, simply, racing, along, ability
A horse which is not racing as quickly as its ability allows is simply plodding along.