ruthless

Main Entry:
dog-eat-dog [dawg-eet-dawg, dog-eet-dog]
Part of Speech: adjective
Definition: viciously competitive
Synonyms: aggressive, brutal, competitive, cutthroat, every person for themselves, fierce, merciless, ruthless, unmerciful, vicious, voracious, without mercy
Main Entry: grim
Part of Speech: adjective
Definition: hopeless, horrible in manner, appearance
Synonyms: austere, barbarous, bleak, cantankerous, churlish, crabbed, cruel, crusty, dogged, ferocious, fierce, forbidding, foreboding, formidable, frightful, funereal, ghastly, gloomy, glowering, glum, grisly, grouchy, gruesome, grumpy*, harsh, hideous, horrid, implacable, inexorable, intractable, merciless, morose, ominous, relentless, resolute, ruthless, scowling, severe, shocking, sinister, somber, sour, splenetic, stern, stubborn, sulky, sullen, surly, terrible, truculent, unrelenting, unyielding
Antonyms: bright, cheerful, happy, hopeful, joyful, sunny
Main Entry: harsh
Part of Speech: adjective
Definition: nasty, abusive
Synonyms: austere, bitter, brutal, comfortless, cruel, cussed, discourteous, dour, grim, gruff, hairy*, hard, hard-boiled, hard-nosed, hard-shell, mean, pitiless, punitive, relentless, rude, ruthless, severe, sharp, stern, stringent, tough, uncivil, unfeeling, ungracious, unkind, unpleasant, unrelenting, wicked
Antonyms: courteous, kind, nice, polite
Main Entry: heartless
Part of Speech: adjective
Definition: without feeling; cold
Synonyms: brutal, callous, cold fish, cold-blooded, cold-hearted, cruel, hard, hard as nails, hard-boiled, hard-hearted, harsh, inhuman, insensitive, merciless, obdurate, pitiless, ruthless, savage, thick-skinned, uncaring, uncompassionate, unemotional, unfeeling, unkind, unsympathetic
Antonyms: caring, compassionate, considerate, feeling, kind, nice, sympathetic, warmhearted
Main Entry: implacable
Part of Speech: adjective
Definition: merciless, cruel
Synonyms: grim, inexorable, inflexible, intractable, ironfisted, mortal, pitiless, rancorous, relentless, remorseless, ruthless, unappeasable, unbending, uncompromising, unflinching, unforgiving, unrelenting, unyielding, vindictive
Notes: placable is 'of a tolerant nature' - the opposite of implacable
Antonyms: kind, merciful, nice, placable
Main Entry: inclement
Part of Speech: adjective
Definition: cruel, merciless
Synonyms: callous, draconian, harsh, intemperate, pitiless, rigorous, ruthless, savage, severe, tyrannical, unfeeling, unkind, unmerciful
Antonyms: kind, merciful, nice, sympathetic
Main Entry: indomitable
Part of Speech: adjective
Definition: steadfast, unyielding
Synonyms: dogged, impassable, impregnable, insuperable, insurmountable, invincible, invulnerable, obstinate, pertinacious, resolute, ruthless, staunch, stubborn, unassailable, unbeatable, unconquerable, undefeatable, unflinching, willful
Antonyms: beatable, conquerable, unstable, weak, yielding
Main Entry: inhuman/inhumane
Part of Speech: adjective
Definition: animal, savage
Synonyms: barbaric, barbarous, bestial, brutal, cannibalistic, cold-blooded, cruel, devilish, diabolical, fell, ferocious, fiendish, fierce, grim, hateful, heartless, implacable, malicious, malign, malignant, mean, merciless, pitiless, relentless, remorseless, ruthless, truculent, uncompassionate, unfeeling, unkind, unrelenting, unsympathetic, vicious
Antonyms: animate, human/humane, sensate
Main Entry: merciless
Part of Speech: adjective
Definition: mean, heartless
Synonyms: barbarous, callous, compassionless, cruel, cutthroat, dog-eat-dog, fierce, gratuitous, grim, hard, hardhearted, harsh, hatchet job, having a killer instinct, implacable, inexorable, inhumane, iron-fisted, mean machine, mortal, pitiless, relentless, ruthless, severe, unappeasable, uncalled-for, unfeeling, unflinching, unforgiving, unmerciful, unpitying, unrelenting, unsparing, unsympathetic, unyielding, wanton
Antonyms: giving, kind, merciful, nice, sparing, sympathetic
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