Related Clues:

• Far from a sure thing
• Not on solid ground
• Careful
• Touch-and-go
• Somewhat dubious
• Reluctant to commit
• Full of uncertainty
• Far from sure
• Waffling
• Morally dubious
• Certainly not certain
• ????
• Reluctant, vacillating
• Undecided, halting
• Informally dubious or uncertain