slog

To walk or progress with a slow heavy pace; plod.

To work diligently for long hours.

To make (one’s way) with a slow heavy pace against resistance.

To strike with heavy blows.

A long exhausting march or hike.

A long session of hard work.

To hit hard, as in boxing, See slug.

To lag behind.

In cricket, to hit at the ball wildly and without judgment.

To hit hard, esp. with little attention to aim or the like, as in cricket or boxing; to slug.