Related Clues:

• Very slow-moving
• Like xenon and neon
• Heliumlike
• Lethargic
• Not reacting chemically
• Like a bump on a log
• Nonreactive
• Intransigent
• Unresponsive
• Refusing to give
• Unable to move
• Not at all active
• Powerless to act
• Immovable
• Doing nothing