impierceable

== English == === Etymology === From im- +‎ pierceable. === Adjective === impierceable (comparative more impierceable, superlative most impierceable) (obsolete) Not capable of being pierced; impenetrable. Synonym: unpierceable === References === “impierceable”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.