dreadly

“1652, Anonymous, "Christs Kingdome" in Eliza's Babes, Or, The Virgin's Offering, critical edition by L. E. Semler, Associated University Press, 2001, p. 73, lines 16-20, https://books.google.ca/books?id=C2_I9s7b3NwC&printsec=frontcover#v=onepage&q&f=false At thy approach, black shades did vanish, / And from my heart thou feare didst banish, / And in their room did light appear, / And joy instead of dreadly feare.”

“1770, Oliver Goldsmith, The Deserted Village, in The Poetical Works of Dr. Goldsmith, London: J. Osborne & T. Griffin, 1785, p. 44, https://books.google.ca/books?id=aA0UAAAAQAAJ&printsec=frontcover#v=onepage&q&f=false […] To distant climes, a dreadly scene, / Where half the convex world intrudes between, / To torrid tracts with fainting steps they go, / Where wild Altama murmurs to their woe.”

“1641, Du Bartas His Diuine Weekes And Workes, translated by Josuah Sylvester, London: Robert Young, "The Captains. The Fourth Part of the Third Day of the II. Week," p. 181 https://books.google.ca/books?id=pcAFFu1rUqIC&printsec=frontcover#v=onepage&q&f=false So shall you see a Cloud-crown'd Hill somtime, / Torn from a greater by the waste of Time; / Dreadly to shake, and boundling down to hop, / And roaring, here it roules tall Cedars up;”

“[…] when high in Air / The chos'n Archangel rides, whose right hand weilds / Th'imperial standard of heav'n's providence, / Which dreadly sweeping thro' the vaulted sky / O'ershadows all creation.”