こうがんむち 厚顔無恥 LinksSentence search for 厚顔無恥Sentence search for こうがんむちKanji details for 厚, 顔, 無 and 恥Edit in JMdict Na-adjective (keiyodoshi), Noun1. shameless; brazen and unscrupulousYojijukugo (four character compound) Discussions Log in to talk about this word.