61 entries under dreadful topic. ×

16
atrocious(adjective, evil, unpleasant, awful, terrible)
15
disgusting(adjective, mean, nasty, unpleasant, awful)
15
fearful(adjective, unpleasant, awful, terrible, disgusting)
15
heinous(adjective, evil, taste, unpleasant, awful)
15
nasty(adjective, taste, unpleasant, awful, terrible)
15
offensive(adjective, nasty, unpleasant, awful, disgusting)
12
vile(adjective, taste, nasty, unpleasant, awful)
11
cruel(adjective, appearance, evil, unpleasant, awful)
11
unspeakable(adjective, taste, unpleasant, awful, terrible)
10
abhorrent(adjective, taste, unpleasant, awful, terrible)
10
execrable(adjective, taste, unpleasant, awful, terrible)
9
beastly(adjective, nasty, unpleasant, awful, terrible)
9
eerie(adjective, bad, unpleasant, awful, terrible)
9
obnoxious(adjective, taste, nasty, unpleasant, awful)
9
repellent(adjective, nasty, unpleasant, awful, dirty)
8
bad(adjective, unpleasant, awful, terrible, disgusting)
7
unearthly(adjective, bad, awful, terrible, shocking)
6
formidable(adjective, appearance, awful, terrible, shocking)
6
redoubtable(adjective, awful, terrible)
6
unholy(adjective, bad, unpleasant, awful, terrible)
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APASmart Define. (2016). gruesome thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/gruesome/thesaurus/synonyms
ChicagoSmart Define. 2016. "gruesome thesaurus" https://smartdefine.org/gruesome/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, gruesome thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/gruesome/thesaurus/synonyms>.
MLASmart Define. "gruesome thesaurus" 23 March 2016. Web. 27 September 2026. <https://smartdefine.org/gruesome/thesaurus/synonyms>