cul-de-sac /kŭlˈdə-sak or kulˈ/

1. A street, etc closed at one end
2. A blind alley
3. A route that leads nowhere (figurative)

• unproven
• unprovide
• unprovided
• unprovided-for
• unprovidedly
• unprovident
• unprovides
• unproviding
• unprovisioned
• unprovocative
• unprovoke
• unprovoked
• unprovokedly
• unprovokes
• unprovoking
• unpruned
• unpublished
• unpuckered
• unpulled
• unpunctual
• unpunctualities
• victoresses
• victoria
• Victoria Cross
• Victoria Crosses