Related Clues:

• Turn in a game
• Change neighborhoods
• ''Out of my way!''
• Not a done deal
• Dubious
• Not at all certain
• Not very likely
• Far from a sure thing
• Change residences
• Not on solid ground
• With 50-Across, surmount
• Verb with ''heaven and earth''
• Touch-and-go
• Somewhat dubious
• Game turn