|Flashcards: Latin Derivatives|
impenetrable; not capable of being affected or disturbed
Impervious to the criticism of friend or foe, Mary sailed through life with no thought of becoming mired in shark-infested water.
Related English word: imperviousness
Latin root words: impervius, impervia, impervium - impassable; pervius, pervia, pervium - passable, affording a passage, having a road through