Related Clues:

• Well-kept
• "Cool!" old-style
• ''Far out!''
• Nifty
• Straight in a snifter
• 'Way cool!'
• ''Peachy!''
• Undiluted, as whiskey
• Litter-free
• ''Keen!''
• Far out
• ''Groovy!''
• Clutter-free
• Natty
• Cool!