96 entries under dreadful topic. ×

5
dirty(adjective, bad, nasty, offensive, unpleasant)
5
redoubtable(adjective, tough, difficult, terrible, fear)
4
abject(vile, wicked, wretched, loathsome)
4
eerie(adjective, mean, nasty, unpleasant, terrible)
4
ghoulish(adjective, nasty, terrible, grim, shocking)
4
low(adjective, mean, nasty, miserable, vicious)
4
tough(adjective, bad, severe, offensive, unpleasant)
3
sinister(nasty, terrible, disturbing, scary)
3
sublime(adjective, terrible)
3
unkind(adjective, mean, nasty, unpleasant, disgusting)
2
dangerous(adjective, bad, strong, severe, offensive)
2
disreputable(vile, wicked, wretched, loathsome)
2
harmful(adjective, bad, severe, offensive, terrible)
2
mournful(adjective, sad, unhappy, terrible, grim)
2
pesky(adjective, severe, nasty, offensive, terrible)
2
slimy(vile, wicked, wretched, loathsome)
2
sordid(vile, wicked, wretched, repulsive)
2
stupefying(adjective, wonderful, amazing, grand, splendid)
1
disquieting(great, terrible, shocking, huge)
1
injurious(adjective, mean, bad, severe, nasty)
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APASmart Define. (2016). awful thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/awful/thesaurus/synonyms
ChicagoSmart Define. 2016. "awful thesaurus" https://smartdefine.org/awful/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, awful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/awful/thesaurus/synonyms>.
MLASmart Define. "awful thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/awful/thesaurus/synonyms>