375 entries under adjective topic. ×

5
indifferent(hard, temper, cold, negative)
5
malevolent(mean, evil, nasty, harsh)
5
obdurate(mean, hard, tough, severe)
5
rough(rude, violent, wild, cruel)
5
unforgiving(person, mean, hard, tough)
5
unmerciful(mean, hard, tough, harsh)
4
awful
4
coarse(adverb, rough, low, rude)
4
demonic
4
diabolic
4
ferine(adverb, rough, low, base)
4
grisly
4
hateful(animal, mean, evil, sharp)
4
hideous
4
homicidal
4
horrendous(awful, foul, disgusting, immoral)
4
horrid
4
infernal
4
inflexible(harsh, cruel, determined, fierce)
4
iniquitous(wicked, shocking, shameful, disgraceful)
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APASmart Define. (2016). inhuman thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/inhuman/thesaurus/synonyms
ChicagoSmart Define. 2016. "inhuman thesaurus" https://smartdefine.org/inhuman/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, inhuman thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/inhuman/thesaurus/synonyms>.
MLASmart Define. "inhuman thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/inhuman/thesaurus/synonyms>