adjectival noun or quasi-adjective, takes genitive case の, noun

Messages.yoji.
  1. outrageous, preposterous, scandalous, inexcusable, absurd, execrable.

Variations

Pronunciation Kanji Kana Is Common
言語道断 ごんごどうだん
言語同断 ごんごどうだん
言語道斷 ごんごどうだん

Contained Kanji Breakdown

say, word
い.う こと ゲン (2nd, N4)
dot, tick or dot radical (no. 3)
チュ (Kentei 1)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
mouth
くち コウ ク (1st, N4)
word, speech, language
ゴ かた.る (2nd, N5)
say, word
い.う こと ゲン (2nd, N4)
dot, tick or dot radical (no. 3)
チュ (Kentei 1)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
mouth
くち コウ ク (1st, N4)
I, my, our
われ わが- あ- (Kentei Pre-1)
five
ゴ い いつ (1st, N5)
road-way, street, district
みち ドウ ど (2nd, N4)
neck, counter for songs and poems
くび シュ おびと (2nd, N3)
grass, straw, herbs
to divide
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
oneself
ジ みずか.ら おの.ずから (2nd, N4)
dot, tick or dot radical (no. 3)
チュ (Kentei 1)
eye, class, look
め モク ボク (1st, N4)
severance, decline, refuse
ダン ことわ.る た.つ (5th, N3)
fishhook radical(乙) variant
rice, USA, metre
ベイ こめ マイ (2nd, N3)
to divide
tree, wood
き モク こ- (1st, N5)
axe, 1.32 lb, catty
キン (8th, N1)