impenetrate /im-penˈi-trāt/

1. To permeate
2. To penetrate thoroughly

impenetrāˈtion noun

• never-never land
• never-never lands
• never say die
• never so
• nevertheless
• neverthemore
• never the wiser
• never-was
• nevi
• nevus
• new
• New Age
• New-Age
• New Ageism
• New Age music
• New Ager
• New-Age Traveller
• New-Age Travellers
• ne was
• new Australian
• newbie
• newbies
• new birth
• new births
• new blood