undurchlässig

== German == === Etymology === un- +‎ durchlässig === Pronunciation === IPA(key): /ˈundʊʁçˌlɛsɪç/ (standard) IPA(key): /-ˌlɛsɪk/ (common form in southern Germany, Austria, and Switzerland) Hyphenation: un‧durch‧läs‧sig === Adjective === undurchlässig (strong nominative masculine singular undurchlässiger, comparative undurchlässiger, superlative am undurchlässigsten) impenetrable ==== Declension ==== ==== Derived terms ==== wasserundurchlässig === Further reading === “undurchlässig” in Duden online