箝かん口こう

noun, noun or participle which takes 'suru'

keeping silent; silence

Refers to the state of not speaking, often under pressure or as a deliberate choice. Can be used in formal or literary contexts.

• 彼かれは箝かん口こうを守まもり続つづけた。

  He continued to keep silent.

noun, noun or participle which takes 'suru'

restraining speech;