tremulously

From tremulous +‎ -ly.

tremulously (comparative more tremulously, superlative most tremulously)

1. In a trembling, quivering, or shaking manner.
2. In a timid, hesitant, or unconfident manner; betraying fear in the voice.
   • 1912 January, Zane Grey, chapter 20, in Riders of the Purple Sage […], New York, N.Y., London: Harper & Brothers Publishers, →OCLC:

     "Are you—all—all right?" she asked, tremulously.

   • 1956 [1880], Johanna Spyri, Heidi, translation of original by Eileen Hall, page 49:

     `This time place really is falling down,' she cried tremulously.