ˈghastily,adv.rare. [as if f.*ghastyadj. (f. gast v.1 + -y1) + -ly2.] = ghastlily or ghastly adv. 1829T. Hook Bank to Barnes 124 When fifty skel'tons, all of a row, Right ghastily did grin.1844Mrs. Browning Drama of Exile Poems 1850 I. 85 The drear-white steed..ghastily champeth the last moon.