315 entries under adjective topic. ×

3
detestable(nasty, unpleasant, awful, disgusting)
3
deuced(awful, terrible, horrible, afraid)
3
diabolical
3
dismaying
3
doggone(awful, terrible, horrible, afraid)
3
fiendish
3
flagrant(awful, terrible, horrible, afraid)
3
gastful(awful, terrible, horrible, afraid)
3
ghastful(awful, terrible, horrible, afraid)
3
ghoulish(awful, terrible, grim, shocking)
3
god awful(awful, terrible, horrible, afraid)
3
grizzly(awful, terrible, horrible, afraid)
3
grueling(awful, terrible, horrible, afraid)
3
hair raising(awful, terrible, horrible, afraid)
3
helluva(awful, terrible, horrible, afraid)
3
ill-favoured(appearance, dislike, terrible, dirty)
3
ill favored(appearance, dislike, terrible, dirty)
3
ill favoured(appearance, dislike, terrible, dirty)
3
immane(awful, terrible, horrible, afraid)
3
indecent(dislike, horrible, ugly, yuck)
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APASmart Define. (2016). frightful thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/frightful/thesaurus/synonyms
ChicagoSmart Define. 2016. "frightful thesaurus" https://smartdefine.org/frightful/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, frightful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/frightful/thesaurus/synonyms>.
MLASmart Define. "frightful thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/frightful/thesaurus/synonyms>