100 entries under terrible topic. ×

3
grizzly(adjective, awful, horrible, afraid)
3
grueling(adjective, awful, horrible, afraid)
3
hair raising(adjective, awful, horrible, afraid)
3
heinous(adjective, awful, horrible, afraid)
3
hellish(adjective, awful, horrible, afraid)
3
helluva(adjective, awful, horrible, afraid)
3
immane(adjective, awful, horrible, afraid)
3
miserable(adjective, awful, horrible, afraid)
3
odious(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
spine-chilling(adjective, awful, horrible, afraid)
3
splitting(adjective, awful, horrible, afraid)
3
tragic(adjective, awful, horrible, afraid)
3
tragical(adjective, awful, horrible, afraid)
3
ungodly(adjective, awful, horrible, afraid)
3
unholy(adjective, awful, horrible, afraid)
3
unsettling(adjective, awful, horrible, afraid)
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APASmart Define. (2016). tremendous thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/tremendous/thesaurus/synonyms
ChicagoSmart Define. 2016. "tremendous thesaurus" https://smartdefine.org/tremendous/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, tremendous thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/tremendous/thesaurus/synonyms>.
MLASmart Define. "tremendous thesaurus" 26 February 2016. Web. 30 September 2026. <https://smartdefine.org/tremendous/thesaurus/synonyms>