regrettingly

She entreated the relations to retire and to leave her in her care, which they regrettingly did.

The Life and Legends of Saint Francis of Assisi Father Candide Chalippe

It has been well observed that when artists speak regrettingly of lost 'systems,' or pigments enjoyed by the mediævalists and unattainable now, it would be far better were they to make the best use of existing materials, and study their further development.

Field's Chromatography or Treatise on Colours and Pigments as Used by Artists George Field

And to have come of the blood of martyrs, when all the others, as was shown, came of noble blood, so displeased -- the most ingenious (the old lady shakes her head regrettingly) can't please everybody -- the living members of these families, that they refused to pay the poor man for his researches, so he was forced to resort to a suit at law.

An Outcast or, Virtue and Faith

Such are a few of the sentiments lisped, regrettingly, for the departed.

An Outcast or, Virtue and Faith

She entreated the relations to retire and to leave her in her care, which they regrettingly did.

The Life and Legends of Saint Francis of Assisi Chalippe, Father Candide 1917

He was extremely interested in all I told him, and regrettingly said he had only known him in his worst days, when his health was upon its decline, and infirmities were crowding fast upon him.

Dr. Johnson and Fanny Burney 1842

Many were, undoubtedly, and all rather regrettingly; some obviously affected.

The Journal of Sir Walter Scott From the Original Manuscript at Abbotsford Walter Scott 1801

My Collegues, -- and they are and have been, during a course of seventeen years, those of them who now act, and those who are dead or absent, men with whom to have acted was indeed satisfactory and pleasant, -- my late Collegues part with me, and I with them, regrettingly.

The Farmer's Boy A Rural Poem Robert Bloomfield 1794