Related Clues:

• Depths of despair
• Pacific feature
• Elevator operator's query
• One of a skyscraper's many
• Carpet's place
• Zenith opposite
• Culmination's opposite
• It's as low as you can go
• Bottommost point
• Anagram for "drain"
• It's hit at the sound of gunfire
• Elevator selection
• Most hopeless moment
• The very bottom
• All-time low