imperviable
1. [ adjective ] not admitting of passage or capable of being affected
Synonyms: impervious
Examples:

"a material impervious to water" "steel impervious to bullets" "someone impervious to argument"

Related terms: pervious soundproof mothproof proof fast resistant runproof fast acid-fast greaseproof impermeable
Similar spelling:   imperturbable
  impermeable
  imperishable
  imperial
  impervious
  imperially
  imperviousness
  Imperial_beard
  impermanent
  imperialist
  imperialism
  imperative
  impermissible
  impermanency
  impermanence
  imperceptible
  Imperato
  improper
  imperialistic
  imperial_moth
  imperatively