gravely
adverbUK /ˈɡreɪvli/
US /ˈɡreɪvli/
In a very serious way.
She spoke gravely about the storm coming toward the town.
OTHER MEANINGS
2. In a way that is very bad or dangerous.
He was gravely injured in the fall.
3. In a low, harsh voice.
The old man answered gravely from the dark doorway.
4. In a way that shows deep worry or sadness.
The doctor looked gravely at the test results.