Related Clues:

• Pristine
• Absolutely clean
• Pure
• Impeccable
• See 40-Across
• Without blemish
• Scoured
• Spick-and-span
• Immaculate
• More than just clean
• Very clean
• Without a mark, completely clean
• Don't see so much, perhaps, keep it clean
• Don't see so much if you want to keep it clean
• Don't see so much of what's so clean