145 entries under terrible topic. ×

3
grizzly(adjective, awful, horrible, afraid)
3
hair raising(adjective, awful, horrible, afraid)
3
hateful
3
helluva(adjective, awful, horrible, afraid)
3
howling(adjective, awful, horrible, afraid)
3
immane(adjective, awful, horrible, afraid)
3
mortal(adjective, awful, horrible, afraid)
3
parlous(adjective, awful, horrible, afraid)
3
perishing(adjective, awful, horrible, afraid)
3
scarey(adjective, awful, horrible, afraid)
3
scathing(adjective, awful, horrible, afraid)
3
splitting(adjective, awful, horrible, afraid)
3
towering(adjective, awful, horrible, afraid)
3
tragical(adjective, awful, horrible, afraid)
3
woesome(adjective, awful, horrible, afraid)
2
dangerous
2
strange(awful, dreadful)
2
unnatural(awful, immoral, grim, shocking)
2
villainous(vicious, immoral, shocking, atrocious)
1
detestable(adjective, nasty, offensive, unpleasant, awful)
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APASmart Define. (2015). horrendous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/horrendous/thesaurus/synonyms
ChicagoSmart Define. 2015. "horrendous thesaurus" https://smartdefine.org/horrendous/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, horrendous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/horrendous/thesaurus/synonyms>.
MLASmart Define. "horrendous thesaurus" 17 July 2015. Web. 29 September 2026. <https://smartdefine.org/horrendous/thesaurus/synonyms>