agitatedly (part of speech: adverb)
- The reflections from their lights seemed to be thrust into the depths, like stilts; and the few lights from the town reflected shiveringly across. - "African Camp Fires", Stewart Edward White.
- The lie was shiveringly spoken. - "Frank of Freedom Hill", Samuel A. Derieux.
- Mechanically obeying the signal, I strove to rise from my bed- and found that I could do so,- - I sat up shiveringly, looking at the terrifying Form that towered above me, enclosing me as it were in its own shadow- and then, managing to stand on my feet, though unsteadily, I mutely prepared to follow where it should lead. - "The Life Everlasting: A Reality of Romance", Marie Corelli.