159 entries under stupid topic. ×

51
tedious(adjective, boring, uninteresting, dreary, monotonous)
47
flat(adjective, calm, quiet, set, hard)
45
dim(verb, adjective, action, characteristic, quiet)
43
tiresome(adjective, excite, slow, dry)
42
uninteresting(adjective, boring, tedious, dreary, monotonous)
41
slow(verb, adjective, stop, upset, trouble)
38
obtuse(noun, adjective, simple, sharp, slow)
37
prosaic(adjective, set, weak, simple, tough)
36
monotonous(adjective, boring, uninteresting, uneventful, tedious)
35
drab(adjective, characteristic, hard, weak, simple)
31
dead(adjective, hard, weak, simple, flat)
30
humdrum(adjective, weak, simple, excite, slow)
29
lifeless(adjective, calm, weak, simple, tough)
29
wearisome(adjective, boring, tedious, dreary, lifeless)
26
insipid(adjective, hard, light, weak, kind)
25
sluggish(adjective, calm, increase, weak, flat)
23
dumb(verb, adjective, calm, quiet, simple)
23
dense(adjective, simple, slow, dark, gloomy)
23
stolid(noun, adjective, calm, simple, tough)
23
torpid(adjective, quiet, flat, low, sad)
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APASmart Define. (2016). dull thesaurus. Retrieved February 21, 2019, from https://smartdefine.org/dull/thesaurus/synonyms
ChicagoSmart Define. 2016. "dull thesaurus" https://smartdefine.org/dull/thesaurus/synonyms (accessed February 21, 2019).
HarvardSmart Define 2016, dull thesaurus, Smart Define, viewed 21 February, 2019, <https://smartdefine.org/dull/thesaurus/synonyms>.
MLASmart Define. "dull thesaurus" 29 March 2016. Web. 21 February 2019. <https://smartdefine.org/dull/thesaurus/synonyms>