Related Clues:

• Like neon or xenon
• Not reacting
• Not merely sluggish
• Not active, chemically
• Unlikely to move
• Supine
• Without energy
• At ease
• Stagnant
• Like xenon
• Very slow-moving
• Taking it easy
• Like xenon and neon
• Like an object in Newton's Law of Inertia
• Heliumlike