Related Clues:

• Sensory stimulant
• Musk feature
• Scratch-'n'-sniff sticker feature
• Trash emanation
• Smell, in a way
• Dumpster emission
• Argon's lack
• Air freshener's target
• Old sneaker feature
• Bloodhound's find
• Skunk's trademark
• It may be pungent
• Gas leak tip-off
• Cause of the question, ''What died?''
• Not-so-sweet smell