5
lacklustre
5
ponderous(adjective, dull, heavy, boring, bland)
5
repetitious(adjective, dull, flat, stupid, ordinary)
5
spiritless(adjective, dull, weak, flat, cold)
5
unexceptional
5
unremarkable
5
unstimulating(adjective, dull, weak, plain, mild)
5
wearing(adjective, dull, boring, tedious, irritating)
4
characterless(adjective, dull, common, stupid, ordinary)
4
dim(adjective, dull, weak, heavy, ordinary)
4
dusty(adjective, dull, simple, boring, tedious)
4
ennuyant
4
fatuous
4
inapt
4
jading(adjective, dull, boring, tedious, irritating)
4
normal
4
tired(adjective, dull, flat, ordinary, dry)
4
unentertaining
4
weary(adjective, excite)
3
cold(adjective, flat)
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APASmart Define. (2016). uninteresting thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/uninteresting/thesaurus/synonyms
ChicagoSmart Define. 2016. "uninteresting thesaurus" https://smartdefine.org/uninteresting/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, uninteresting thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/uninteresting/thesaurus/synonyms>.
MLASmart Define. "uninteresting thesaurus" 23 March 2016. Web. 27 September 2026. <https://smartdefine.org/uninteresting/thesaurus/synonyms>