Vocabulary What does 言語道断 (ごんごどうだん) mean? 言語道断 (ごんごどうだん) means outrageous; beyond words (lit. speech is cut off, it cannot be expressed). Quick factsReadingごんごどうだん 言語道断ごんごどうだんTOPICSoutrageous; beyond words (lit. speech is cut off, it cannot be expressed)Example sentences約束(やくそく)を破(やぶ)ったうえに謝(あやま)らないなんて、言語道断(ごんごどうだん)だ。Breaking a promise and not even apologising is outrageous.Kanji in this word言say, word語language; words道road, path; moral principle断cut, sever; refuse; judge