104 entries under dreadful topic. ×

11
troublesome(adjective, hard, tough, severe, rough)
10
unpleasant(adjective, tough, severe, sad, harsh)
9
afflictive(adjective, bad, rough, sad, tender)
9
bad(adjective, sad, unhappy, unpleasant, awful)
9
dangerous(adjective, help, great, tough, severe)
9
odious(adjective, offensive, unpleasant, awful, terrible)
9
shameful(adjective, bad, severe, awful, terrible)
9
wicked(adjective, difficult, unpleasant, awful, terrible)
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, terrible)
7
dark(adjective, bad, tough, severe, sad)
6
sorry(adjective, mean, poor, low, sad)
6
ugly(adjective, tough, severe, unpleasant, awful)
6
vicious(adjective, unpleasant, awful, terrible, horrible)
5
base(adjective, mean, poor, low, unpleasant)
5
distasteful(adjective, hard, severe, tender, offensive)
5
vile(adjective, mean, poor, low, unpleasant)
4
evil(adjective, unpleasant, horrible, disagreeable)
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APASmart Define. (2016). grievous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/grievous/thesaurus/synonyms
ChicagoSmart Define. 2016. "grievous thesaurus" https://smartdefine.org/grievous/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, grievous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/grievous/thesaurus/synonyms>.
MLASmart Define. "grievous thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/grievous/thesaurus/synonyms>