74
awful(adjective, good, bad, great, severe)
68
terrible(adjective, good, dull, bad, great)
56
abominable(verb, adjective, person, dull, rough)
51
scary(adjective, unpleasant, awful, terrible, fear)
49
horrible(adjective, good, dull, great, evil)
47
frightful(adjective, good, dull, great, evil)
45
appalling(adjective, good, great, severe, sad)
44
ghastly(adjective, good, dull, bad, nasty)
41
dire(adjective, pain, awful, terrible, fear)
40
horrid(adjective, evil, nasty, dislike, offensive)
39
shocking(adjective, good, dull, bad, great)
39
hideous(adjective, bad, evil, nasty, unpleasant)
36
atrocious(adjective, severe, evil, rough, poor)
33
gruesome(adjective, bad, evil, unpleasant, awful)
33
horrendous(adjective, good, evil, offensive, unpleasant)
32
bad(adjective, dull, quality, poor, sad)
32
grisly(adjective, bad, evil, nasty, unpleasant)
30
loathsome(verb, adjective, person, dull, bad)
29
repulsive(adjective, dull, bad, nasty, offensive)
29
vile(verb, adjective, person, dull, offensive)
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APASmart Define. (2016). dreadful thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/dreadful/thesaurus/synonyms
ChicagoSmart Define. 2016. "dreadful thesaurus" https://smartdefine.org/dreadful/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, dreadful thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/dreadful/thesaurus/synonyms>.
MLASmart Define. "dreadful thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/dreadful/thesaurus/synonyms>