undiscussable C2 Topic:Communication Also spelled undiscussible US /ˌʌndɪsˈkʌsəbəl/ UK /ˌʌndɪsˈkʌsəbəl/ See IPA manual Meanings 1 adj unable or considered unsuitable to be discussed, mentioned, or debated In that household, the cause of the quarrel remained undiscussable. Thesaurus Synonyms 1 adj · unable or considered... unmentionabletabooindiscussable ↔ Opposites discussabledebatablementionablenegotiable Word family Derived forms undiscussible Related forms discussablediscussibleunmentionabletaboo Etymology Formed from un- + discussable. The alternative undiscussible follows the parallel adjective discussible; both forms mean that a subject cannot or should not be discussed. Topics Communication External links Cambridge Dictionary Wiktionary Google Images # undiscussable **Type:** Word **Level:** C2 **Part of speech:** adj **IPA (US):** /ˌʌndɪsˈkʌsəbəl/ **IPA (UK):** /ˌʌndɪsˈkʌsəbəl/ ## Meanings 1. unable or considered unsuitable to be discussed, mentioned, or debated ## Examples - In that household, the cause of the quarrel remained undiscussable. ## Synonyms - unmentionable - taboo - indiscussable ## Antonyms - discussable - debatable - mentionable - negotiable ## Derived Forms - undiscussible ## Related Forms - discussable - discussible - unmentionable - taboo ## Etymology Formed from un- + discussable. The alternative undiscussible follows the parallel adjective discussible; both forms mean that a subject cannot or should not be discussed. ## Topics - Communication markdown