Related Clues:

• Not plugged in
• -- -the-wall
• ___ and running
• Light switch position
• "They're ___!" (racing term)
• Not playing one's best
• It's not on to be rancid
• On's counterpart
• Not accurate
• The "O" in OTB
• "Ferris Bueller's Day ___"
• Taking a personal day
• Switch status
• On leave
• Spoiled; unavailable