Related Clues:

• Without mixer
• Like whiskey with no ice
• "No ice" or "Noice!"
• "Smashing!"
• "Sounds cool!"
• Well-groomed old farm animals
• Not cluttered at all
• Served without 15-Across
• Trim, tidy
• Organized or clean
• Not cluttered or messy
• Needing no tidying
• "Dandy"
• Drink choice
• De-iced?