81 entries under dull topic. ×

27
sickening(adjective, blue, evil, offensive)
26
unpleasant(adjective, mean, nasty, offensive)
25
repellent(adjective, blue, evil, nasty)
22
disagreeable(adjective, mean, nasty, offensive)
16
grim(adjective, offensive, unpleasant, awful)
12
objectionable(adjective, nasty, offensive, unpleasant)
9
dismal(adjective, gloomy, wretched, bleak)
8
sad(adjective, obscure, dark, awful)
7
unappetizing(adjective, disgusting, ugly, bad-looking)
7
unprepossessing(adjective, disgusting, ugly, bad-looking)
6
repellant(adjective, disgusting, ugly, ugliness)
6
unfortunate(adjective, severe, gloomy, miserable)
6
witchy(adjective, disgusting, ugly, bad-looking)
5
Gorgonian(adjective, disgusting, ugly, bad-looking)
5
frumpish(adjective, disgusting, ugly, bad-looking)
5
frumpy(adjective, disgusting, ugly, bad-looking)
5
haggish(adjective, disgusting, ugly, bad-looking)
5
unappealing(adjective, disgusting, ugly, bad-looking)
5
unbecoming(adjective, disgusting, ugly, bad-looking)
5
unimposing(adjective, disgusting, ugly, bad-looking)
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APASmart Define. (2016). horrible thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/horrible/thesaurus/synonyms
ChicagoSmart Define. 2016. "horrible thesaurus" https://smartdefine.org/horrible/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, horrible thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/horrible/thesaurus/synonyms>.
MLASmart Define. "horrible thesaurus" 3 April 2016. Web. 28 September 2026. <https://smartdefine.org/horrible/thesaurus/synonyms>