| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | murderous |
| Synonyms: | barbaric, cruel, homicidal, inhuman, ruthless, sanguinary, savage, slaughterous |
| Main Entry: | brutal |
| Part of Speech: | adjective |
| Definition: | cruel, remorseless |
| Synonyms: | barbarous, bloodthirsty, callous, ferocious, gruff, hard, harsh, heartless, impolite, inhuman, insensitive, merciless, pitiless, remorseless, rough, rude, ruthless, savage, severe, uncivil, uncivilized, unfeeling, unmannerly, unmerciful, vicious |
| Antonyms: | generous, humane, kind, nice |
| Main Entry: | cruel |
| Part of Speech: | adjective |
| Definition: | vicious, pitiless; causing pain |
| Synonyms: | atrocious, barbarous, bestial, bitter, bloodthirsty, brutal, brutish, callous, cold-blooded, degenerate, demoniac, depraved, evil, excruciating, ferocious, fierce, flinty, hard, hard-hearted, harsh, hateful, heartless, hellish, implacable, inexorable, inhuman, inhumane, malevolent, merciless, monstrous, painful, pernicious, poignant, rancorous, relentless, revengeful, ruthless, sadistic, sinful, spiteful, tyrannical, unfeeling, unkind, unnatural, unrelenting, vengeful, vicious, virulent, wicked |
| Antonyms: | charitable, compassionate, considerate, feeling, gentle, kind, merciful, sympathetic, thoughtful, uncruel |
| Main Entry: | cutthroat |
| Part of Speech: | adjective |
| Definition: | ruthless |
| Synonyms: | barbarous, bloodthirsty, cruel, dog-eat-dog, ferocious, hard as nails, merciless, pitiless, relentless, savage, unprincipled, vicious |
| Main Entry: | deadly |
| Part of Speech: | adjective |
| Definition: | causing end of life |
| Synonyms: | baleful, baneful, bloodthirsty, bloody, cannibalistic, carcinogenic, cruel, dangerous, death-dealing, deathly, deleterious, destroying, destructive, fatal, grim, harmful, homicidal, injurious, internecine, killing, lethal, malignant, mortal, mortiferous, murderous, noxious, pernicious, pestiferous, pestilent, pestilential, poisonous, ruthless, savage, slaying, suicidal, toxic, unrelenting, venomous, violent, virulent |
| Notes: | deadly means causing or capable of causing death while deathly means having the physical appearance of death |
| Antonyms: | animating, energizing, harmless, healthful, healthy, invigorating, wholesome |
| Main Entry: | ferocious |
| Part of Speech: | adjective |
| Definition: | violent, barbaric |
| Synonyms: | barbarous, bloodthirsty, brutal, brutish, cruel, fell, feral, fierce, frightful, grim, implacable, inhuman, inhumane, lupine, merciless, murderous, pitiless, predatory, rapacious, ravening, ravenous, relentless, ruthless, sanguinary, savage, tigerish, truculent, unmerciful, unrestrained, untamed, vehement, vicious, voracious, wild, wolfish |
| Antonyms: | gentle, innocent, kind, mild, nonviolent, tame, tender |
| Main Entry: | fierce |
| Part of Speech: | adjective |
| Definition: | violent, menacing |
| Synonyms: | angry, animal, ape, awful, barbarous, bloodthirsty, blustery, boisterous, bold, brutal, brutish, cruel, cutthroat, dangerous, enraged, fell, feral, ferocious, fiery, flipped, frightening, furious, horrible, howling, impetuous, infuriated, intense, malevolent, malign, murderous, passionate, powerful, primitive, raging, raving, relentless, savage, stormy, strong, tempestuous, terrible, threatening, tigerish, truculent, tumultous/tumultuous, uncontrollable, untamed, vehement, venomous, vicious, wild |
| Antonyms: | calm, gentle, kind, meek, nonviolent, peaceful, tame, tender, unthreatening |
| Main Entry: | homicidal |
| Part of Speech: | adjective |
| Definition: | murderous |
| Synonyms: | bloodthirsty, deadly, lethal, maniacal, slaughterous, violent |
| Main Entry: | predatory |
| Part of Speech: | adjective |
| Definition: | eating, destroying for sustenance or without conscience |
| Synonyms: | bloodthirsty, carnivorous, depredatory, despoiling, greedy, hungry, hunting, marauding, pillaging, plundering, predacious, predative, preying, rapacious, raptorial, ravaging, ravening, thieving, voracious, vulturine, vulturous, wolfish |