Related Clues:

• Hemming and hawing
• Indecisive
• Insipid
• Diluted
• Watered-down
• Spineless
• Unable to choose
• Ineffectual
• Hardly decisive
• Without much of a backbone
• 'Uncertain, hesitating (8)'
• Not certain to be a circle of ripples?
• Why was I shy, awkward and irresolute?
• Uncertain farewell to opera?
• About to change mind