Related Clues:

• Like a useless gas tank
• Make null and void
• Devoid of contents
• Bottle to recycle
• Opposite of full
• Reverse, in word processing
• Pointing to E
• Annul, as an indictment
• Like idle words
• Word processing reversal
• Loosen, as shoelaces
• Ctrl+Z
• Put down, as an uprising
• Computer's mistake-fixing command
• One end of a gas gauge