145 entries under dreadful topic. ×

10
outrageous(adjective, severe, evil, nasty, harsh)
10
sad(adjective, unhappy, awful, sorrowful)
10
ugly(adjective, bad, severe, nasty, unpleasant)
10
unbearable(adjective, severe, unpleasant, awful, disgusting)
9
objectionable(adjective, dull, nasty, unpleasant, awful)
9
lamentable(adjective, sad, unhappy, awful)
8
grave(adjective, severe, intense, unpleasant, horrible)
8
redoubtable(adjective, tough, difficult, awful, fear)
7
cruel(adjective, appearance, mean, strong, hard)
7
mean(adjective, adverb, bad, poor, nasty)
7
pitiful(adjective, sad, unhappy, awful, miserable)
6
catastrophic(adjective, sad, unhappy, awful)
6
difficult(adjective, severe, tender, awful, awkward)
6
low(adjective, unpleasant, awful, gloomy, miserable)
6
nauseous(adjective, unpleasant, awful, disgusting, horrible)
5
sharp(adjective, severe, tender, intense, awful)
5
abysmal(adjective, awful)
5
dangerous(adjective, bad, strong, hard, severe)
5
fell(adjective, strong, severe, intense, unpleasant)
5
filthy(adjective, nasty, unpleasant, awful, horrible)
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APASmart Define. (2016). terrible thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/terrible/thesaurus/synonyms
ChicagoSmart Define. 2016. "terrible thesaurus" https://smartdefine.org/terrible/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, terrible thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/terrible/thesaurus/synonyms>.
MLASmart Define. "terrible thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/terrible/thesaurus/synonyms>