315 entries under adjective topic. ×

15
tremendous(pain, awful, terrible, fear)
15
ugly(appearance, dislike, unpleasant, awful)
15
unspeakable(mean, bad, unpleasant, awful)
14
beastly(nasty, unpleasant, awful, violent)
14
grim(appearance, pain, unpleasant, awful)
14
harrowing(pain, awful, terrible, horrible)
14
terrific(great, tough, pain, offensive)
13
formidable(great, tough, terrible, fear)
13
wicked(offensive, awful, terrible, dirty)
12
fearsome(fear, alarming)
12
horrific(nasty, awful, terrible, vile)
12
morbid(nasty, awful, terrible, gloomy)
12
vicious(evil, nasty, awful, violent)
11
distasteful(terrible, dirty, badly, scary)
11
dread(awful, terrible, horrible, afraid)
11
grotesque(appearance, evil, dislike, disgusting)
11
lurid(evil, unpleasant, awful, terrible)
11
odious(awful, terrible, horrible, afraid)
10
cruel(appearance, evil, unpleasant, awful)
10
wretched(awful, terrible, horrible, afraid)
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APASmart Define. (2016). frightful thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/frightful/thesaurus/synonyms
ChicagoSmart Define. 2016. "frightful thesaurus" https://smartdefine.org/frightful/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, frightful thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/frightful/thesaurus/synonyms>.
MLASmart Define. "frightful thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/frightful/thesaurus/synonyms>