Definition of "unaffrighted"

While you faint-hearted baſe Egyptians, / Lie ſlumbering on the flowrie bankes of Nile, / As Crocodiles that vnaffrighted reſt, / While thundering Cannons rattle on their ſkins.

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 IIII, scene i

Some fevv of the horſes kept their ſtanding ſtill unaffrighted, and even thoſe they had much ado to ſaddle, to bridle, and to mount upon; […]

1659, T[itus] Livius [i.e., Livy], “[Book XXXVII]”, in Philemon Holland, transl., The Romane Historie […], London: […] W. Hunt, for George Sawbridge, […], page 766