439 entries under adjective topic. ×

2
icy(hard, tough, severe, cold)
2
illiberal
2
intransigent(persistent, constant, pitiless, unyielding)
2
malignant(mean, cruel, vicious, hateful)
2
offensive(unpleasant, vicious, wicked, painful)
2
oppressive
2
perverse(nasty, cruel, wicked, senseless)
2
rancorous(mean, evil, nasty, harsh)
2
rigorous(hard, tough, difficult, harsh)
2
shameless(hard, tough, evil, harsh)
2
sinful(evil, nasty, harsh, corrupt)
2
steely(cold, cruel, unfeeling, unsympathetic)
2
strict(hard, rough, harsh, cruel)
2
terrible(appearance, hard, severe, rough)
2
tigerish(violent, cruel, vicious, fierce)
2
unstoppable(harsh, cruel, determined, fierce)
2
untamed(rough, violent, cruel, vicious)
2
unwarmhearted(person, negative)
2
virulent(evil, nasty, harsh, vicious)
2
wayward(wicked, senseless, unwarranted, reckless)
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APASmart Define. (2016). merciless thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/merciless/thesaurus/synonyms
ChicagoSmart Define. 2016. "merciless thesaurus" https://smartdefine.org/merciless/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, merciless thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/merciless/thesaurus/synonyms>.
MLASmart Define. "merciless thesaurus" 31 March 2016. Web. 29 September 2026. <https://smartdefine.org/merciless/thesaurus/synonyms>