52 entries under simple topic. ×

36
foolish(adjective, dull, slight, careless)
28
ridiculous(adjective, wild, strange, silly)
26
absurd(adjective, value, wild, strange)
24
asinine(adjective, silly, foolish, stupid)
20
idiotic(adjective, dull, wild, strange)
19
vacuous(adjective, dull, careless, silly)
19
mindless(adjective, dull, slow, careless)
19
nonsensical(adjective, dull, value, wild)
18
ludicrous(adjective, dull, wild, strange)
13
moronic(adjective, dull, slow, silly)
13
dumb(adjective, dull, slow, silly)
13
imbecilic(adjective, dull, slow, silly)
11
mad(adjective, dull, wild, silly)
11
meaningless(adjective, dull, slight, use)
11
pointless(adjective, dull, weak, value)
9
brainless(adjective, dull, slow, silly)
8
futile(adjective, dull, value, silly)
8
insane(adjective, foolish, crazy, fantastic)
7
unintelligent(adjective, dull, slight, silly)
7
illogical(adjective, poor, silly, stupid)
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APASmart Define. (2015). inane thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/inane/thesaurus/synonyms
ChicagoSmart Define. 2015. "inane thesaurus" https://smartdefine.org/inane/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, inane thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/inane/thesaurus/synonyms>.
MLASmart Define. "inane thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/inane/thesaurus/synonyms>