impermeable

== English == === Etymology === Apparently from im- +‎ permeable. Compare French imperméable, from Latin impermeābilis, from im- + permeābilis (“permeable”). === Pronunciation === (Received Pronunciation) IPA(key): /ɪmˈpɜːmɪəbəl/ (General American, Canada) IPA(key): /ɪmˈpɝmɪəbəl/, /ɪmˈpɝmiəbəl/ (General Australian) IPA(key): /ɪmˈpɜːmɪəbəl/ === Adjective === impermeable (comparative more impermeable, superlative most impermeable) Impossible to permeate. Not allowing passage, especially of liquids; waterproof. ==== Synonyms ==== nonpermeable sealed ==== Antonyms ==== permeable ==== Derived terms ==== ==== Related terms ==== ==== Translations ==== ==== See also ==== hermetically sealed impenetrable === References === == Catalan == === Etymology === Borrowed from Latin impermeābilis. By surface analysis, im- +‎ permeable. === Pronunciation === IPA(key): (Central, Balearic) [im.pər.meˈab.blə] IPA(key): (Valencia) [im.peɾ.meˈa.ble] === Adjective === impermeable m or f (masculine and feminine plural impermeables) impermeable Antonym: permeable ==== Derived terms ==== impermeabilitzar ==== Related terms ==== impermeabilitat === Noun === impermeable m (plural impermeables) raincoat === Further reading === “impermeable”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2026 “impermeable”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007 “impermeable”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2026 “impermeable” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua. “impermeable” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962. == Galician == === Alternative forms === impermeábel === Etymology === From Latin impermeābilis, equivalent to im- +‎ permeable. === Pronunciation === IPA(key): /ĩmpeɾˈmeaβle/ === Adjective === impermeable m or f (plural impermeables) impermeable, waterproof Antonym: permeable === Noun === impermeable m (plural impermeables) raincoat ==== Derived terms ==== impermeabilidade impermeabilizar === Further reading === “impermeable”, in Dicionario da Real Academia Galega (in Galician), A Coruña: Royal Galician Academy, 2012–2026 == Spanish == === Etymology === From Latin impermeābilis, equivalent to im- +‎ permeable. === Pronunciation === IPA(key): /impeɾmeˈable/ [ĩm.peɾ.meˈa.β̞le] Rhymes: -able Syllabification: im‧per‧me‧a‧ble === Adjective === impermeable m or f (masculine and feminine plural impermeables) impermeable, waterproof Antonym: permeable === Noun === impermeable m (plural impermeables) raincoat Synonyms: chubasquero, piloto ==== Derived terms ==== === Further reading === “impermeable”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025