Related Clues:

• Having yet to take the plunge
• On the prowl, perhaps
• Like some mothers
• Yet to be united
• Non-union?
• One batting result
• Solitary or unwed
• A hit for one run in cricket
• One only
• Not married, just the one
• Just one, or unmarried
• How one might intone on one note?
• Is there a single way to double you in the nude?
• One might make music with the French
• You get no return from one like this