impregnable /im-pregˈnə-bl/

1. That cannot be captured, broken into or taken by force
2. Which cannot be overcome, unassailable

impregnabilˈity noun

impregˈnably adverb

• talers
• tales
• talesman
• talesmen
• tale-teller
• tale-tellers
• tale-telling
• tali
• Taliacotian
• Talib
• Taliban
• taligrade
• talion
• talionic
• talions
• talipat
• talipats
• taliped
• talipes
• talipot
• talipots
• talisman
• talismanic
• the creeps
• the crescent moon