silently
US /ˈsaɪ.lənt.li/
UK /ˈsaɪ.lənt.li/

1.
without any sound
:
•
She walked silently into the room.
•
The snow fell silently throughout the night.
2.
without speaking; in silence
:
•
He nodded silently in agreement.
•
She prayed silently for her family.