Related Clues:

• Six feet under
• Word before tired or heat
• "___ Poets Society"
• With no juice, as a battery
• What's passed on is utterly dull
• Encountered redhead in charge of this sort of measurement
• Very tired and it's late
• Satisfied with most of a heap of verses?
• Old man swallowing tablet becomes numb
• The compiler's illusion, falling short of the European system
• Like feet? Yes and no
• There's a point in this system
• "___ Man's Curve"
• System of weights and measures
• Like the SI system