impenetrate /im-penˈi-trāt/

1. To permeate
2. To penetrate thoroughly

impenetrāˈtion noun

• penthia
• penthias
• penthouse
• penthoused
• penthouses
• penthousing
• pentice
• pentimenti
• pentimento
• pentise
• pentiti
• pentito
• Pentium
• pentlandite
• pentlandites
• pentobarbital
• pentobarbitals
• pentobarbitone
• pentobarbitones
• pentode
• pentodes
• pentomic
• pentosan
• pentosane
• pentosanes