Related Clues:

• Unpopulated
• Out of energy
• Like some batteries
• Dull, as a party
• "In the Dark" band's nickname, with "the"
• __ ringer
• Completely pooped
• In need of charging, as a cell phone
• Defunct
• Breathless?
• ___ as a doornail
• Very, very tired
• Like some phones or weights
• Word with "duck" or "end"
• Forked out