13
jejune(noun, adjective, dull, weak, flat)
13
ordinary(adjective, dull, boring, everyday, flat)
12
uninspired(adjective, dull, boring, weak, flat)
12
uninspiring(adjective, dull, boring, tedious, flat)
11
pedestrian(adjective, dull, common, ordinary, usual)
11
run-of-the-mill(adjective, dull, flat, common, ordinary)
11
uneventful(adjective, dull, common, ordinary, usual)
11
wearying(adjective, dull, boring, tedious, dreary)
10
arid(adjective, dull, flat, stupid, ordinary)
10
mundane(adjective, boring, dull, usual, obvious)
10
stale(adjective, dull, weak, flat, warm)
10
tiring(adjective, dull, tedious, boring, lifeless)
9
colourless
9
ho-hum(adjective, dull, boring, tedious, dreary)
9
irksome(adjective, dull, excite, stupid, boring)
9
routine(adjective, dull, weak, flat, common)
9
soporific(adjective, dull, flat, ordinary, dry)
9
tame(adjective, dull, weak, flat, plain)
8
common(adjective, ordinary, boring, dull, flat)
8
drab(adjective, dull, weak, stupid, boring)
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APASmart Define. (2016). uninteresting thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/uninteresting/thesaurus/synonyms
ChicagoSmart Define. 2016. "uninteresting thesaurus" https://smartdefine.org/uninteresting/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, uninteresting thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/uninteresting/thesaurus/synonyms>.
MLASmart Define. "uninteresting thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/uninteresting/thesaurus/synonyms>