sorrowful

Romney manages to speak highly and sorrowfully of the freedom agenda, and thus to praise Bush.
Arab Spring Comment Was a Romney Love Letter to the Israeli Right Wing|Michael Tomasky|July 28, 2012|DAILY BEAST
He was a dissident,” Havel told me sorrowfully “before he was a man.
Vaclav Havel Was Torn Between Socialism and Freedom|Geoffrey Robertson|December 22, 2011|DAILY BEAST
This was not said sorrowfully, but with a bright gleam as of some fancied and pleasant possibility.
The Carpenter's Daughter|Anna Bartlett Warner
"I have given you no cause to hate me," said Belle, looking me sorrowfully in the face.
Res Judicat|Augustine Birrell

"She has rejected him, I see it by your face; I suspected it from his wanderings," she said, sorrowfully.
Wives and Widows; or The Broken Life|Ann S. Stephens
"All right—if you say so," the poor child said sorrowfully, and I knew that her affection for me had been put to a fiery test.
At the Age of Eve|Kate Trimble Sharber
The children sympathized with her and said one after the other, sorrowfully, "What a pity, what a pity!"
Uncle Titus and His Visit to the Country|Johanna Spyri

Word Origin and History for sorrowfully

adj.

Old English sorgful "sad, anxious, careful; distressing, doleful;" see sorrow (n.) + -ful. Related: Sorrowfully; sorowfulness.