Definition of "perturbedly"

[T]o those who are much alive to the effects of music, airs and tunes often come back, in the commonest pursuits of life, to vex, as it were, and haunt them. The music, once admitted to the soul, becomes also a sort of spirit, and never dies. It wanders perturbedly through the halls and galleries of the memory, and is often heard again, distinct and living as when it first displaced the wavelets of the air.

1842, [Edward Bulwer-Lytton], chapter I, in Zanoni. […], volume I, London: Saunders & Otley, […], book the first (The Musician), page 16

But Claggart's was no vulgar form of the passion. Nor, as directed toward Billy Budd, did it partake of that streak of apprehensive jealousy that marred Saul's visage perturbedly brooding on the comely young David. Claggart's envy struck deeper.

1888–1891, Herman Melville, “[Billy Budd, Foretopman.] Chapter XI.”, in Billy Budd and Other Stories, London: John Lehmann, published 1951, pages 256–257

If only life were always so simple, I thought, as he tugged off his singlet and his Lordship, looking perturbedly about, came back into view at the end of the alley of lockers.

1988, Alan Hollinghurst, chapter 2, in The Swimming-Pool Library, paperback edition, London: Penguin Books