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)

• indefeasible
• indefeasibly
• indefectible
• indefensibilities
• indefensibility
• indefensible
• indefensibleness
• indefensibly
• indefinable
• indefinableness
• indefinablenesses
• indefinably
• indefinite
• indefinitely
• indefiniteness
• indefinitenesses
• indehiscence
• indehiscences
• indehiscent
• indelibilities
• indelibility
• indelible
• indelibleness
• indeliblenesses
• indelibly