73 entries under plain topic. ×

7
loathsome(adjective, dull, bad, terrible)
7
pathetic(adjective, dull, bad, terrible)
7
uninteresting(adjective, dull, bad, terrible)
6
monotonous(adjective, dull, bad, terrible)
6
violent(adjective, good, dull, bad)
5
customary(adjective, dull, bad, terrible)
5
dark(adjective, dull, bad, poor)
5
jading(adjective, dull, bad, terrible)
5
middling(adjective, dull, bad, terrible)
5
substandard(adjective, dull, bad, terrible)
5
tiring(adjective, dull, bad, terrible)
5
unimpressive(adjective, dull, bad, terrible)
5
unremarkable(adjective, feature, dull, bad, poor)
5
unsatisfactory(adjective, dull, bad, terrible)
5
wearisome(adjective, dull, bad, terrible)
5
weary(adjective, dull, bad, terrible)
5
wearying(adjective, dull, bad, terrible)
4
tedious(adjective, dull, bad, terrible)
4
vile(adjective, dull, bad, terrible)
4
wretched(adjective, dull, bad, terrible)
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APASmart Define. (2016). wonderful thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/wonderful/thesaurus/antonyms
ChicagoSmart Define. 2016. "wonderful thesaurus" https://smartdefine.org/wonderful/thesaurus/antonyms (accessed September 30, 2026).
HarvardSmart Define 2016, wonderful thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/wonderful/thesaurus/antonyms>.
MLASmart Define. "wonderful thesaurus" 29 March 2016. Web. 30 September 2026. <https://smartdefine.org/wonderful/thesaurus/antonyms>