impenetrate /im-penˈi-trāt/

1. To permeate
2. To penetrate thoroughly

impenetrāˈtion noun

• maximist
• maximists
• maximization
• maximize
• maximized
• maximizer
• maximizers
• maximizes
• maximizing
• maxim-monger
• maxims
• maximum
• maximum and minimum thermometer
• maximum and minimum thermometers
• maximum card
• maximum cards
• maximum permissible concentration
• maximums
• maxis
• maxi-single
• maxi-singles
• maxixe
• maxixes
• max out
• maxwell