Synonyms of unmerciful
32 similar words · 1 opposite word
Another word for unmerciful is fell. Other synonyms of unmerciful are brutal, malicious, ruthless, inhuman and sadistic. The opposite of unmerciful is merciful.
Synonyms and similar words for unmerciful
adjectiveNot showing mercy.
- inhumanOf or pertaining to inhumanity and the indifferently cruel, sadistic or barbaric behavior it brings.
- mercilessShowing no mercy; cruel and pitiless.
- pitilessHaving, or showing, no pity; merciless, ruthless.
- ruthlessWithout pity or compassion; cruel, pitiless.
- barbarousMercilessly or impudently violent or cruel, savage.
- brutalSavagely violent, vicious, ruthless, or cruel, often in an unintelligent manner.
- compassionlessWithout compassion; hardhearted.
- cruel
- flagitious formal
- demonic figurativelyExtremely cruel or evil; abhorrent or repugnant; diabolical.
- diabolic figurativelyWicked; evil; cruel.
- diabolical figurativelyExtremely wicked or cruel.
- fellOf a strong and cruel nature; eager and unsparing; grim; fierce; ruthless; savage.
- incessiveFierce; cruel and aggressive.
- inhumane
- maliciousIntending to do harm; characterized by spite and malice.
- nastySpiteful, unkind.
- nonhumaneNot humane, inhumane.
- remorselessWithout remorse, mercy or pity.
- rottenCruel, mean or immoral.
- sadisticDelighting in or feeling pleasure from the pain or humiliation of others.
- savageBrutal, vicious, or merciless.
- spitefulFilled with, or showing, spite; having a desire to annoy or harm.
- truculentCruel or savage.
- unbenevolentNot benevolent.
- unbenignNot benign; malevolent.
- unkind
- unpityingNot feeling or showing pity.
- bowelless obsoleteWithout pity.
- despiteful archaicFull of despite; expressing malice or contemptuous hate.
- inclement obsoleteMerciless, unrelenting.
- unpitiful archaicWithout pity; pitiless.
Opposite of unmerciful
adjectiveNot showing mercy.
- mercifulShowing mercy.
Meaning of unmerciful
- adjective Not showing mercy.
unmerciful in other languages
Questions about synonyms of unmerciful
- What is another word for unmerciful?
- Unmerciful has 32 synonyms on Word.ws, such as fell, brutal, malicious, ruthless, inhuman, sadistic, merciless and spiteful.
- What is the opposite of unmerciful?
- The opposite of unmerciful is merciful.
- What does unmerciful mean?
- Unmerciful means not showing mercy.
Source and license
Adapted from Wiktionary: unmerciful (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.
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Cite this page: “Synonyms of unmerciful.” Word.ws, https://word.ws/synonyms/unmerciful. Based on Wiktionary, CC BY-SA 4.0.