緘黙かんもく Noun Irregular Intransitive English jmdict 1 noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru intransitive verb keeping silent
選択性緘黙せんたくせいかんもく Noun English jmdict 1 noun (common) (futsuumeishi) selective mutism See also: 場面緘黙症 (ばめんかんもくしょう)