a, b, e, l, n, p, m, r, t, i, y are letters that make 'impenetrability'
penetrability, AB, ab, IT, pe, pen, MP, en, ENE, lit, net, il, li, ability, RA, IL, NE, Ra, imp, Bi, Li, Ne, Ab are words within 'impenetrability'
2 possible definitions for 'impenetrability'
Under this definition, impenetrability is a noun and has the following properties:
impenetrableness has the same meaning as impenetrability
'impenetrability' can be a type of incomprehensibility.
impenetrable is a derivative of impenetrability.
Under this definition, impenetrability is a noun and has the following properties:
imperviousness has the same meaning as impenetrability
penetrability, perviousness have the opposite meaning of 'impenetrability'
'impenetrability' can be a type of quality.
impenetrable, impervious, imperviable are derivatives of 'impenetrability'.