Synonyms|3.2kAntonyms|1.3k|Broader|61Narrower|58Related|3.9k

144 entries under plain topic. ×

1
tasteless undistinctive(expression, weak, mild, boring)
1
temperate(adjective, calm, quiet, weak, kind)
1
unnoteworthy(simple, indifferent, ordinary, modest)
1
unstylish(adjective, shabby, drab, tacky)
1
waterish(adjective, weak, poor, mild)
1
white-bread(adjective, weak, simple, pure)
1
wimpy(adjective, weak, mild, relaxed)
1
wrinkled(adjective, shabby, drab, dingy)
1
yawn(adjective, simple, ordinary, straightforward)
0
dull as dishwater(expression, adjective, idiom, weak)
0
bygone(shabby, drab, dingy, unfashionable)
0
calmative(adjective, weak, mild, tasteless)
0
dated(shabby, drab, dingy, unfashionable)
0
inelaborate(adjective, simple, ordinary, boring)
0
moldy(shabby, drab, dingy, unfashionable)
0
mollifying(adjective, weak, mild, tasteless)
0
nonirritant(adjective, weak, mild, tasteless)
0
nonirritating(adjective, weak, mild, tasteless)
0
revolting(adjective, nasty, unpleasant, disagreeable)
0
scrubby(shabby, drab, dingy, unfashionable)
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APASmart Define. (2016). dull thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/dull/thesaurus/synonyms
ChicagoSmart Define. 2016. "dull thesaurus" https://smartdefine.org/dull/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, dull thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/dull/thesaurus/synonyms>.
MLASmart Define. "dull thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/dull/thesaurus/synonyms>