Unmerciful is a related term of remorseless.
As adjectives the difference between unmerciful and remorseless
is that unmerciful is not showing mercy while remorseless is without remorse, mercy or pity.
unmerciful
English
Synonyms
* merciless
Antonyms
* merciful
See also
* cruel
* inhuman
External links
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remorseless
English
Adjective
(head)
without remorse, mercy or pity
unyielding or relentless