impenetrate /im-penˈi-trāt/

1. To permeate
2. To penetrate thoroughly

impenetrāˈtion noun

• homeomorphism
• homeomorphisms
• homeomorphous
• leaderene
• leaderenes
• leaderette
• leaderettes
• leaderless
• Leader of the House of Commons
• Leader of the House of Lords
• leaders
• leadership
• leaderships
• lead-free
• lead glance
• lead-glance
• lead glass
• lead glasses
• leadier
• leadiest
• lead in
• lead-in
• leading
• leading aircraftman
• leading aircraftsman