Thesaurus

Synonyms for Unrighteous include:

actionable, at fault, atrocious, bad, black, blamable, blameable, blameful, blameworthy, bloodguilty, censurable, chargeable, condemned, conscience-smitten, contemptible, convicted, corruptive, criminal, culpable, dark, debauched, degenerate, degraded, delinquent, demonic, despicable, devilish, diabolic, diabolical, disgraceful, dishonorable, dishonourable, dissipated, dissolute, evil, evil-minded, fast, fiendish, finable, fineable, flagitious, grievous, guilt-ridden, guilty, heavy, heinous, hellish, immoral, impious, inculpative, inculpatory, indictable, infernal, iniquitous, irreclaimable, irredeemable, libertine, mephistophelean, mephistophelian, monstrous, nefarious, offensive, peccable, peccant, perversive, pestiferous, profligate, punishable, red-handed, riotous, satanic, scandalous, scrofulous, shameful, shocking, sinful, sinister, slimy, ugly, unchaste, undeserving, undeserving of, unfair, ungodly, unholy, unjust, unmerited, unmeritorious, unredeemable, unreformable, unrighteous, unworthy, unworthy of, vicious, vile, villainous, wicked, worthless, wretched, wrong, wrongful

unrighteous is a ADJ.