adj. 1 unprincipled, immoral, amoral, abandoned, depraved, despicable, dissolute, low, low-life, base, mean, debased, damned, accursed, cursed, degenerate, profligate, shameful, shameless, vile, evil, wicked, villainous, sinful, irredeemable, foul, iniquitous, reprehensible Such reprobate behaviour soon brought him to the attention of the church fathers
n. 2 scoundrel, blackguard, miscreant, rake, profligate, roué, villain, wastrel, wretch, degenerate, unprincipled person, villain, evil-doer, debauchee, libertine, good-for-nothing, ne'er-do-well, cur, rapscallion, scamp, knave, rascal, US low-life, Colloq scallywag or scalawag I can't understand what she sees in that old reprobate