145 entries under terrible topic. ×

4
disturbing
4
enormous(adjective, awful, horrible, afraid)
4
ferocious(adjective, awful, horrible, afraid)
4
iniquitous(shocking, shameful, atrocious, disgraceful)
4
unearthly(awful, unreasonable, shocking, dreadful)
4
very bad(adjective, awful, horrible, afraid)
3
almighty(adjective, awful, horrible, afraid)
3
astounding(awful, dreadful)
3
baleful(awful, dreadful)
3
blatant(adjective, awful, horrible, afraid)
3
bloodcurdling(awful, dreadful, frightening, creepy)
3
chronic(adjective, awful, horrible, afraid)
3
crashing(adjective, awful, horrible, afraid)
3
darn(adjective, awful, horrible, afraid)
3
deadly(adjective, awful, horrible, afraid)
3
deuced(adjective, awful, horrible, afraid)
3
doggone(adjective, awful, horrible, afraid)
3
gastful(adjective, awful, horrible, afraid)
3
ghastful(adjective, awful, horrible, afraid)
3
god awful(adjective, awful, horrible, afraid)
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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>