Synonyms|419Antonyms|77|Broader|8Narrower|0Related|352

298 entries under adjective topic. ×

4
rancorous(mean, evil, nasty, harsh)
4
set(hard, resolute, rigid, inflexible)
4
stiff(harsh, cruel, determined, fierce)
4
uncompassionate(animal, mean, hard, tough)
4
unwavering(determined, resolute, uncompromising, unshakeable)
3
avenging(mean, hateful, malicious, spiteful)
3
barbarous(animal, appearance, mean, hard)
3
brutal(mean, severe, evil, nasty)
3
cold(mean, hard, harsh, indifferent)
3
hard-boiled(mean, strong, hard, tough)
3
hard-hearted(mean, hard, tough, evil)
3
hard-nosed(mean, strong, hard, tough)
3
hardheaded(strong, hard, tough, firm)
3
harsh(mean, strong, hard, tough)
3
heartless(mean, hard, severe, evil)
3
inconvincible(determined, resolute, uncompromising, unshakeable)
3
indurate(mean, hard, determined, resolute)
3
inhumane(animal, mean, hard, tough)
3
iron-willed(determined, resolute, uncompromising, unshakeable)
3
perverse(mean, hard, tough, firm)
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APASmart Define. (2016). implacable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/implacable/thesaurus/synonyms
ChicagoSmart Define. 2016. "implacable thesaurus" https://smartdefine.org/implacable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, implacable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/implacable/thesaurus/synonyms>.
MLASmart Define. "implacable thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/implacable/thesaurus/synonyms>