55 entries under obtuse topic. ×

46
silly(adjective, soft, slight, tender, sweet)
36
foolish(adjective, dull, simple, slight, careless)
31
stupid(adjective, dull, careless, wild, silly)
20
idiotic(adjective, dull, simple, wild, strange)
20
senseless(adjective, dull, careless, value, wild)
19
vacuous(adjective, dull, simple, careless, silly)
19
mindless(adjective, dull, simple, slow, careless)
19
nonsensical(adjective, dull, simple, value, wild)
18
ludicrous(adjective, dull, simple, wild, strange)
13
moronic(adjective, dull, simple, slow, silly)
13
dumb(adjective, dull, simple, slow, silly)
13
imbecilic(adjective, dull, simple, slow, silly)
11
meaningless(adjective, dull, simple, slight, use)
11
pointless(adjective, dull, weak, simple, value)
9
brainless(adjective, dull, simple, slow, silly)
8
futile(adjective, dull, simple, value, silly)
8
simple(adjective, dull, slight, slow, silly)
7
unintelligent(adjective, dull, simple, slight, silly)
7
irrational(adjective, careless, wild, silly, foolish)
7
unreasonable(adjective, simple, poor, careless, silly)
<123>
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APASmart Define. (2015). inane thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/inane/thesaurus/synonyms
ChicagoSmart Define. 2015. "inane thesaurus" https://smartdefine.org/inane/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, inane thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/inane/thesaurus/synonyms>.
MLASmart Define. "inane thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/inane/thesaurus/synonyms>