Related Clues:

• Laborious task
• Laborious walk
• Grueling work
• Difficult endeavor
• Work doggedly or persistently
• Long, boring task
• Hard exertion
• Move through the mud
• Wild cricket hit
• Seemingly endless task
• Obstacle-filled endeavor
• Painful proceeding
• Hard stretch of work
• Tedious crossword puzzle, say
• Long tedious task