Definition of "incomposed"

Thus Satan; and him thus the Anarch old, / With faltring speech and visage incompos'd, / Answer'd. I know thee, stranger, who thou art,

1667, John Milton, “Book II”, in Paradise Lost. […], London: […] [Samuel Simmons], […]; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873,