dreadly

Etymology 1
From, , , , equivalent to.

Adjective

 * 1)  dreadful
 * 2) * 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,
 * 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.
 * 1) * 1770,, , in The Poetical Works of Dr. Goldsmith, London: J. Osborne & T. Griffin, 1785, p. 44,
 * 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.

Etymology 2
From, , equivalent to.

Adverb

 * 1)  With dread.
 * 2) * 1641, Du Bartas His Diuine Weekes And Workes, translated by, London: Robert Young, "The Captains. The Fourth Part of the Third Day of the II. Week," p. 181
 * 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;