unconscionable

1 going beyond a normal or acceptable limit in degree or amount an unconscionable number of errors for an important government report Synonyms baroque, devilish, exorbitant, extravagant, extreme, fancy, immoderate, inordinate, insane, intolerable, lavish, overdue, overextravagant, overmuch, overweening, plethoric, steep, stiff, towering, excessive, undue, unmercifulRelated Words boundless, endless, immeasurable, infinite, limitless; unbearable, unjustifiable, unwarranted; improper, inappropriate, thick, unseemly; unrestrainedNear Antonyms deficient, inadequate, insufficient; minimal, minimumAntonyms middling, moderate, modest, reasonable, temperate

2 not guided by or showing a concern for what is right a politician with an unconscionable disregard for the truth Synonyms cutthroat, immoral, Machiavellian, unprincipled, unethical, unscrupulousRelated Words merciless, pitiless, remorseless, ruthless; crooked, deceitful, dishonest, jackleg, knavish; corrupt, debased, debauched, decadent, degenerate, degraded, demoralized, depraved, dissipated, libertine, licentious, profligate; cheapjack, dog-eat-dog, opportunistic; calculating, scheming, sharpNear Antonyms conscientious, good, honorable, just, noble, righteous, virtuousAntonyms ethical, moral, principled, scrupulous