Related Clues:

• Liability
• Household task
• Heavy burden
• Child's job, perhaps
• Big burden
• Gofer's task
• Albatross
• Millstone, e.g.
• Worrysome thing
• Doing the laundry, e.g.
• Vacuuming, e.g.
• Difficult obligation
• A piece of work
• Dusting or dishwashing
• The sky, to Atlas