Definition of "unquiet"

But, for the unquiet heart and brain,⁠A use in measured language lies;⁠The sad mechanic exercise,Like dull narcotics, numbing pain.

1850, [Alfred, Lord Tennyson], In Memoriam, London: Edward Moxon, […], Canto V

Madam Zenocrate, may I preſumeTo know the cauſe of theſe vnquiet fits:That worke such trouble to your woonted reſt:

c. 1587–1588, [Christopher Marlowe], Tamburlaine the Great. […] The First Part […], 2nd edition, part 1, London: […] [R. Robinson for] Richard Iones, […], published 1592; reprinted as Tamburlaine the Great (A Scolar Press Facsimile), Menston, Yorkshire, London: Scolar Press, 1973, Act III, scene ii

Wearied out, Francesca at once fell asleep—a slumber which would have been broken by anxiety, could she have known the feverish restlessness which kept Guido wakeful on his unquiet pillow, listening—and dreary it was to listen through the night—to the distant dash of the waves, as they rose beneath the loud and sweeping wind.

1834, L[etitia] E[lizabeth] L[andon], chapter XVII, in Francesca Carrara. […], volume II, London: Richard Bentley, […], (successor to Henry Colburn), page 202

Involuntarily I glanced seaward—and distinguished nothing except a single green light, minute and far away, that might have been the end of a dock. When I looked once more for Gatsby he had vanished, and I was alone again in the unquiet darkness.

1925, F[rancis] Scott Fitzgerald, chapter 1, in The Great Gatsby, New York, N.Y.: Charles Scribner’s Sons, published 1953

Butt the unbelevinge iewes, steryd uppe and unquyeted the myndes off the gentyles agaynste the brethren.

1526, [William Tyndale, transl.], The Newe Testamẽt […] (Tyndale Bible), [Worms, Germany: Peter Schöffer], Acts

they were greatly troubled, and unquieted

1649, Edward Herbert, 1st Baron Herbert of Cherbury, The Life and Raigne of King Henry VIII