Need another word that means the same as “merciless”? Find 28 synonyms and 30 related words for “merciless” in this overview.
The synonyms of “Merciless” are: unmerciful, ruthless, remorseless, pitiless, unforgiving, uncharitable, unsparing, unpitying, implacable, inexorable, relentless, inflexible, barbarous, inhumane, inhuman, cold-blooded, heartless, harsh, callous, cruel, brutal, unsympathetic, unfeeling, illiberal, intolerant, rigid, severe, stern
According to the Oxford Dictionary of English, “merciless” as an adjective can have the following definitions:
| barbarous | (of language) coarse and unrefined. A remote and barbarous country. |
| brutal | Savagely violent. A brutal winter. |
| callous | Having calluses; having skin made tough and thick through wear. With a workman s callous hands. |
| cold-blooded | Without compunction or human feeling. |
| cruel | Able or disposed to inflict pain or suffering. A cruel remark. |
| harsh | Sharply disagreeable; rigorous. The harsh facts of court delays. |
| heartless | Devoid of courage or enthusiasm. Heartless thieves stole the pushchair of a two year old boy. |
| illiberal | Not generous; mean. Illiberal and anti democratic policies. |
| implacable | Unable to be appeased or placated. The implacable advance of the enemy. |
| inexorable | Impossible to stop or prevent. Russia s final hour it seemed approached with inexorable certainty. |
| inflexible | Unwilling to change or compromise. An inflexible iron bar. |
| inhuman | Lacking human qualities of compassion and mercy; cruel and barbaric. A babel of inhuman noises. |
| inhumane | Lacking and reflecting lack of pity or compassion. Confining wild horses is inhumane. |
| intolerant | Unwilling to tolerate difference of opinion. Some people are intolerant of aspirin. |
| pitiless | Deficient in humane and kindly feelings. A night of pitiless rain. |
| relentless | Not to be placated or appeased or moved by entreaty. The relentless heat of the desert. |
| remorseless | Without regret or guilt. A remorseless killer. |
| rigid | Not able to be changed or adapted. Beatrice was rigid with terror. |
| ruthless | Having or showing no pity or compassion for others. A ruthless manipulator. |
| severe | Severely simple. A hefty six footer with a rather severe mien. |
| stern | Of a stern or strict bearing or demeanor forbidding in aspect. A stern face. |
| uncharitable | Lacking love and generosity. All pious words and uncharitable deeds. |
| unfeeling | Devoid of feeling for others. My mother is a cold unfeeling woman. |
| unforgiving | (of a place or situation) harsh or hostile. A surly unforgiving old woman. |
| unmerciful | Having or showing no mercy. Deceptively inflated incomes expose many couples to unmerciful taxes. |
| unpitying | Not feeling or showing pity. A flat unpitying voice. |
| unsparing | Merciless; severe. Unsparing generosity. |
| unsympathetic | (of characters in literature or drama) tending to evoke antipathetic feelings. They were initially unsympathetic towards the cause of Irish freedom. |
| brutal | Punishingly harsh. A brutal winter. |
| cruel | Wilfully causing pain or suffering to others, or feeling no concern about it. Ernie nearly cruelled the whole thing by laughing. |
| cruelly | With cruelty. Their hopes were cruelly dashed. |
| denouncement | A public act of denouncing. |
| denunciation | Public condemnation of someone or something. Denunciation of his reckless methods. |
| draconian | (of laws or their application) excessively harsh and severe. The Nazis destroyed the independence of the press by a series of draconian laws. |
| ferocious | Marked by extreme and violent energy. A ferocious beating. |
| harsh | Unkind or cruel or uncivil. A time of harsh military discipline. |
| implacable | Incapable of being placated. An implacable enemy. |
| inclement | (of weather or climate) severe. The harsh sentence of an inclement judge. |
| inexorable | Impervious to pleas, persuasion, requests, reason. Cynthia was inexorable she would have none of him. |
| munificent | Very generous. A munificent patron of the arts. |
| notorious | Known widely and usually unfavorably. Los Angeles is notorious for its smog. |
| parricide | A person who commits parricide. |
| persecute | Harass or annoy (someone) persistently. His followers were persecuted by the authorities. |
| persecutor | A person who harasses or annoys someone persistently. A well known curmudgeon and persecutor of buskers. |
| pitiless | (especially of weather) unrelentingly harsh or severe. A night of pitiless rain. |
| relentless | Not to be placated or appeased or moved by entreaty. The relentless heat of the desert. |
| relentlessly | In a relentless manner. The songs are relentlessly upbeat. |
| remorseless | (of something unpleasant) never ending or improving; relentless. A remorseless killer. |
| repression | The action of subduing someone or something by force. The tsarist repressions. |
| ruthless | Having or showing no pity or compassion for others. An act of ruthless ferocity. |
| ruthlessly | Without pity or compassion for others. They fell prey to money lenders who ruthlessly exploited them. |
| sadistic | Deriving pleasure or sexual gratification from inflicting pain on another. She took a sadistic pleasure in tormenting him. |
| sanguinary | Marked by eagerness to resort to violence and bloodshed-G.W.Johnson. They lost heavily in the sanguinary campaigns that followed. |
| truculence | Obstreperous and defiant aggressiveness. |
| unkind | Deficient in humane and kindly feelings. It was unkind of her to criticize. |
| unrelenting | Harsh. Unrelenting opponents. |
| unsparing | Merciless; severe. An unsparing critic. |
| unstinting | Given or giving without restraint; unsparing. Called for unstinting aid to Britain. |
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