106 entries under dreadful topic. ×

9
gruesome(adjective, taste, nasty, unpleasant, awful)
8
frightful(adjective, appearance, nasty, dislike, unpleasant)
8
atrocious(adjective, severe, offensive, unpleasant, awful)
8
low(adjective, good, nasty, offensive, unpleasant)
8
scandalous(adjective, nasty, offensive, unpleasant, awful)
8
vicious(adjective, nasty, unpleasant, terrible, disgusting)
7
base(adjective, offensive, unpleasant, terrible, vile)
7
pesky(adjective, nasty, offensive, unpleasant, awful)
7
sordid(adjective, taste, unpleasant, awful, terrible)
7
wicked(adjective, rough, nasty, dark, unpleasant)
6
cruel(adjective, nasty, unpleasant, awful, disgusting)
6
ghastly(adjective, bad, nasty, offensive, unpleasant)
6
lurid(adjective, taste, unpleasant, awful, terrible)
6
unbearable(adjective, unpleasant, awful, terrible, disgusting)
5
dirty(adjective, bad, offensive, unpleasant, foul)
5
sinister(adjective, evil, rough, nasty, dark)
5
surly(adjective, rough, nasty, dark, rude)
4
grisly(adjective, nasty, unpleasant, awful, disgusting)
3
forbidding(adjective, rough, nasty, offensive, dark)
3
cantankerous(adjective, rough, nasty, dark, rude)
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APASmart Define. (2016). obnoxious thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/obnoxious/thesaurus/synonyms
ChicagoSmart Define. 2016. "obnoxious thesaurus" https://smartdefine.org/obnoxious/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, obnoxious thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/obnoxious/thesaurus/synonyms>.
MLASmart Define. "obnoxious thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/obnoxious/thesaurus/synonyms>