75 entries under mean topic. ×

22
ruthless(adjective, animal, severe, harsh)
21
pitiless(adjective, animal, kind, severe)
20
unrelenting(adjective, animal, tough, severe)
20
callous(adjective, harsh, cold, cruel)
19
cruel(adjective, severe, harsh, violent)
18
inexorable(adjective, tough, harsh, resist)
18
relentless(adjective, animal, tough, severe)
18
unmerciful(adjective, hard, kind, severe)
18
unyielding(adjective, harsh, resist, cruel)
18
implacable(adjective, animal, tough, severe)
16
merciless(adjective, kind, severe, harsh)
16
savage(adjective, animal, hard, harsh)
13
harsh(adjective, severe, violent, cruel)
13
heartless(adjective, severe, harsh, violent)
13
obdurate(adjective, tough, harsh, resist)
12
grim(adjective, animal, tough, harsh)
10
brutal(adjective, severe, harsh, violent)
10
inhuman(adjective, animal, harsh, violent)
9
hard(adjective, severe, harsh, cruel)
9
hard-hearted(adjective, hard, severe, harsh)
10 years ago|7.1k views|share |citing 
APASmart Define. (2016). remorseless thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/remorseless/thesaurus/synonyms
ChicagoSmart Define. 2016. "remorseless thesaurus" https://smartdefine.org/remorseless/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, remorseless thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/remorseless/thesaurus/synonyms>.
MLASmart Define. "remorseless thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/remorseless/thesaurus/synonyms>