deadly silence

Translations
смертельная тишина
There was a deadly silence after the announcement.
После объявления наступила смертельная тишина.
Definitions
A profound and unsettling quietness, often associated with tension, fear, or anticipation, where the absence of sound amplifies the seriousness or danger of a situation.
Words
deadly

adjective
смертельная
silence

noun
тишина