adv. [f. prec. + -LY2.] In an atrocious manner; with heinous wickedness or cruelty; shockingly.
1765. Bp. Lowth, Lett. Warburton, ii. Abusing me infamously and atrociously.
1831. Alford, in Life (1873), 67. The letter had an atrociously long sentence in it.
1859. T. Trollope, Tuscany, ix. 137. The populace were atrociously incited to crimes of the deepest dye.