Related Clues:

• Veg out
• Leave in neutral
• Booming
• Cleese cohort
• Run in place?
• Not active
• Run, but go nowhere
• Dormant
• Baseless
• Very profound
• Like one side of a pool
• Kind of hands that are 'the devil's playthings'
• Lollygag
• Groundless, as speculation
• Vain