The film was not an immediate hit among many critics, who faulted its lack of dialogue, slow pacing, and seemingly impenetrable storyline.
en.wikipedia.org Most of these, however, run east-west, whereas the coastline runs north-south, and much of the remaining bushland between has grown thick and impenetrable.
en.wikipedia.org Like any material, however, they are not completely impenetrable.
en.wikipedia.org This rough terrain, which was virtually unsettled, was nearly impenetrable to 19th-century infantry and artillery maneuvers.
en.wikipedia.org He depicts the difficulty of capturing, snaring, or taming him, his vast size, his impenetrable scales, his flashing eyes, his snorting, and his immense strength.
en.wikipedia.org