fearfullyquiet
adjectiveUK /ˈfɪəfəli ˈkwaɪət/
US /ˈfɪrfəli ˈkwaɪət/
Being very quiet because you feel scared.
The children were fearfully quiet when the thunder rumbled overhead.
OTHER MEANINGS
2. So silent that it makes other people feel uneasy.
The fearfully quiet hallway made her walk faster.
3. Speaking in a very soft, shaky voice because of fear.
He gave a fearfully quiet answer when the teacher asked who broke the vase.
4. A stillness that shows something scary is about to happen.
The forest went fearfully quiet just before the storm.