130 entries under terrible topic. ×

8
gloomy(adjective, bad, sad, unhappy, unpleasant)
8
heartbreaking(adjective, mean, poor, low, sad)
8
intolerable(adjective, hard, tough, severe, rough)
8
offensive(adjective, severe, unpleasant, awful)
7
catastrophic(adjective, sad, unhappy, awful)
7
gross(adjective, awful, horrible, obvious)
7
hideous(adjective, awful, horrible, afraid)
6
beastly(adjective, awful, horrible, afraid)
6
enormous(adjective, awful, horrible, afraid)
6
ghastly(adjective, awful, horrible, afraid)
6
grueling(adjective, awful, horrible, painful)
6
mortal(adjective, awful, horrible, afraid)
6
tragical(adjective, sad, sorrow, awful, depression)
6
ugly(adjective, tough, severe, unpleasant, awful)
6
vicious(adjective, unpleasant, awful, horrible)
5
desperate(adjective, awful, horrible, afraid)
5
execrable(adjective, awful, horrible, afraid)
5
frightening(adjective, awful, horrible, afraid)
5
grisly(adjective, awful, horrible, afraid)
5
unsettling(adjective, sad, sorrow, awful, depression)
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APASmart Define. (2016). grievous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/grievous/thesaurus/synonyms
ChicagoSmart Define. 2016. "grievous thesaurus" https://smartdefine.org/grievous/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, grievous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/grievous/thesaurus/synonyms>.
MLASmart Define. "grievous thesaurus" 26 February 2016. Web. 29 September 2026. <https://smartdefine.org/grievous/thesaurus/synonyms>