42 entries under grim topic. ×

45
scary(adjective, unpleasant, awful, terrible, disgusting)
41
horrible(adjective, good, evil, offensive, unpleasant)
39
gruesome(adjective, bad, evil, unpleasant, awful)
38
dreadful(adjective, good, evil, offensive, unpleasant)
37
hideous(adjective, evil, unpleasant, awful, terrible)
37
appalling(adjective, good, unpleasant, awful, terrible)
36
horrid(adjective, offensive, unpleasant, awful, terrible)
35
awful(adjective, good, bad, offensive, unpleasant)
32
atrocious(adjective, evil, offensive, unpleasant, awful)
31
terrible(adjective, good, bad, evil, offensive)
30
ghastly(adjective, good, bad, unpleasant, awful)
26
grisly(adjective, evil, unpleasant, awful, terrible)
26
shocking(adjective, good, evil, offensive, unpleasant)
19
fearful(adjective, good, unpleasant, awful, terrible)
18
terrifying(adjective, bad, unpleasant, awful, terrible)
16
unspeakable(adjective, offensive, unpleasant, awful, terrible)
15
lurid(adjective, bad, evil, unpleasant, awful)
11
sickening(adjective, awful, terrible, vicious)
10
nauseating(adjective, awful, terrible, disgusting)
9
repellent(adjective, nasty, offensive, unpleasant, awful)
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APASmart Define. (2015). horrendous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/horrendous/thesaurus/synonyms
ChicagoSmart Define. 2015. "horrendous thesaurus" https://smartdefine.org/horrendous/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, horrendous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/horrendous/thesaurus/synonyms>.
MLASmart Define. "horrendous thesaurus" 17 July 2015. Web. 26 September 2026. <https://smartdefine.org/horrendous/thesaurus/synonyms>