静しずまり返かえる

godan verb (-ru), intransitive verb

fall completely silent; become still as death

Describes a place or atmosphere becoming utterly quiet, often with a sense of stillness or tension.

• 教きょう室しつが静しずまり返かえった。

  The classroom fell completely silent.

• 深しん夜やの街まちは静しずまり返かえっている。

  The streets are dead quiet late at night.