impenetrably

adv

Etymology: Etymology tree English impenetrable Middle English -ly English -ly English impenetrably From impenetrable + -ly.

1. In an impenetrable manner or state; imperviously.

   “Far otherwise the inviolable Saints, In cubick phalanx firm, advanced entire, Invulnerable, impenetrably armed;”

   “And now, on Fancy’s easy wing convey’d, The King descended to th’ Elyzian shade. There, in a dusky vale where Lethe rolls, Old Bavius sits, to dip poetic souls, And blunt the sense, and fit it for a scull Of solid proof, impenetrably dull.”