adjective
silent
SIGH-luhnt/ˈsaɪlənt/
Without sound or spoken expression.
The adult sits silent while watching snow outside.

Etymology
The pieces describe “being quiet or still.” English first used silent for someone not speaking, then extended it to anything free from noise or sound; the deeper origin of silere is unknown.
In context
For a brief space all was silent as though we had been too close to hear and the sound had leapt over us