10
grisly(adjective, mean, nasty, unpleasant, awful)
10
nasty(adjective, taste, unpleasant, awful, terrible)
10
wicked(adjective, terrible, shocking, dreadful, shameful)
9
nauseating(adjective, taste, awful, terrible, endured)
9
painful(adjective, endured)
9
unmentionable(adjective, good, words, decent)
9
vicious(adjective, endured)
9
villainous(adjective, taste, awful, terrible, apperance)
8
deplorable(adjective, person, negative, endured)
8
fearful(adjective, mean, bad, unpleasant, awful)
8
flagitious(adjective, terrible, vicious, shocking, shameful)
8
lurid(adjective, taste, unpleasant, awful, terrible)
8
macabre(adjective, awful, terrible, shocking, dreadful)
8
shameful(adjective, person, offensive, unpleasant, awful)
8
sickening(adjective, taste, awful, terrible, endured)
8
untellable
7
cruel(adjective, mean, nasty, unpleasant, awful)
7
dark
7
despicable(adjective, person, nasty, unpleasant, negative)
7
hateful(adjective, person, taste, awful, terrible)
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APASmart Define. (2016). unspeakable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unspeakable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unspeakable thesaurus" https://smartdefine.org/unspeakable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, unspeakable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unspeakable/thesaurus/synonyms>.
MLASmart Define. "unspeakable thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/unspeakable/thesaurus/synonyms>