adv. [f. prec. + -LY2.] In an appalling manner; terrifically, shockingly.
1843. F. E. Paget, Warden of Berkingholt, 72. Massillon himself has not stated the case more thrillingly and appallingly than [etc.].
1864. Realm, 13 April, 8. The arithmetical chances of a real accident become appallingly probable.
