Related Clues:

• Becomes bitter
• Runs out of steam
• Car parts
• Bicycle pair
• Targets of inflation
• Car quartet
• Worsens, as relations
• Gets down (on)
• Football practice targets
• Akron exports
• Four for the road
• They're worn on a road trip
• Michelins or Pirellis
• Wearies
• Grows weary