Related Clues:

• "What's the ___?" (quitter's lament)
• Not squander
• Single-___
• Be of benefit
• Be of help to
• Juice, as an athlete
• "___ only as directed"
• Adopt
• "... but to no ___"
• Mileage, in a way
• ___ tax
• "___ sparingly"
• "For Official ___ Only"
• "___ it or lose it!"
• Utility