Synonyms of crueler

1 Syllable
hard, harsh
2 Syllables
brutish, ruthless, sinful, painful, poignant, brutal, evil, monstrous, fierce, flinty, unkind, vicious, bestial, wicked, hellish, callous, bitter, heartless
3 Syllables
ferocious, pernicious, inhuman, hard-hearted, depraved, spiteful, demoniac, merciless, sadistic, atrocious, barbarous, rancorous, relentless, vengeful, cold-blooded, bloodthirsty, virulent, hateful, unfeeling
4 Syllables
tyrannical, excruciating, implacable, unrelenting, malevolent, unnatural, inhumane, revengeful
5 Syllables
inexorable, degenerate