Related Clues:

• Bit of brandy
• Fall weather feature
• It may be in the air
• Oomph!
• Briskness (in the air)
• Word with "cat"
• Wintry chill
• Bit of a chill
• Piquant flavor
• Grated citrus rind
• Bit of rind
• Slight bite
• Great enthusiasm
• Citrus shaving
• Little taste of whisky