Definition of "imperviable" [im•per•vi•a•ble]

• Impervious (adjective)

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• "Merrington had received the information with the imperviable dogmatism of the official mind, strong in the belief in its own infallibility, resentful of advice or suggestion as an attempt to weaken its dignity."
• "The practice of his forefathers, tradition, and his own habits, to say nothing of his love of ease, have rendered his mind imperviable to any reason which can be urged in behalf of the negro."
• "Nothing could be gathered from the outside, except remarks on the various properties which philosophers ascribe to matter, -- length, breadth, depth, and weight, The packet was composed of strong thick paper, imperviable by the curious eyes of the gossips, though they stared as if they would burst from their sockets."