impenetrate /im-penˈi-trāt/

1. To permeate
2. To penetrate thoroughly

• alliteration
• alliterations
• alliterative
• alliteratively
• allium
• alliums
• all manner of
• all mouth and no trousers
• all my eye
• allness
• allnesses
• allnight
• allnighter
• allnighters
• allo-
• all-obeying
• allocable
• allocarpies
• allocarpy
• allocatable
• allocate
• allocated
• allocates
• allocating
• allocation