Related Clues:

• Call off, as a mission
• Bottle takes no time — after seconds it's clean
• Use Comet on
• Clean with elbow grease, as a greasy pot
• Cancel at NASA
• Rub to clean
• Rub hard or search thoroughly
• Wash vigorously
• Put some muscle into cleaning
• Area of dense stunted vegetation
• Exfoliating stuff
• Hit the dirt hard?
• Cancel a clean-up
• Stunted vegetation
• Scour the brushwood