Related Clues:

• Blank
• Like recycled bottles
• Worthless, as threats
• E, on a gas gauge
• Hollow or vacant
• '. . . . . vessels make the most sound'
• My pet could never be Phil, by the sound of it
• The tank is empty in America
• There's nothing by way of my pet there
• Get me up with pity with no I in it and nothing at all in it
• There's nothing in my pet like this
• The American's automobile's tanks empty
• 'Nothing left, right? (5)'
• Running on fumes
• Blair's back, yet wandering around in vain