Related Clues:

• One may become bald
• Weary
• Word with saw or tire
• It may need air
• Grow weary
• The fifth is spare
• It can wear down from too much travel
• Like some symmetry
• Get jaded
• Knock out
• It's carried in a trunk
• Start to give out
• Run out of gas
• Road runner
• One for the road?