71 entries under ridiculous topic. ×

5
fruitless(adjective, dull, stupid, insignificant, useless)
5
sappy(adjective, soft, informal, silly, stupid)
5
trifling(adjective, slight, poor, thin, false)
5
useless(adjective, value, stupid, insignificant, unimportant)
5
weak(adjective, dull, thin, false, silly)
4
batty(adjective, wild, silly, foolish, stupid)
4
dippy(adjective, strange, silly, foolish, stupid)
4
innocuous(adjective, dull, weak, silly, stupid)
4
screwy(adjective, simple, strange, foolish, stupid)
4
trivial(adjective, dull, simple, slight, poor)
4
worthless(adjective, slight, value, small, silly)
3
aimless(adjective, value, stupid, insignificant, unimportant)
3
daffy(adjective, simple, silly, foolish, stupid)
3
incongruous(adjective, silly, stupid, insignificant, unreasonable)
3
inconsistent(adjective, simple, silly, foolish, stupid)
3
purposeless(adjective, value, silly, stupid, insignificant)
2
flaky(adjective, wild, silly, foolish, stupid)
2
insignificant(adjective, slight, value, small, silly)
2
purportless(adjective, value, silly, stupid, insignificant)
2
unimportant(adjective, slight, value, small, silly)
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APASmart Define. (2015). inane thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/inane/thesaurus/synonyms
ChicagoSmart Define. 2015. "inane thesaurus" https://smartdefine.org/inane/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, inane thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/inane/thesaurus/synonyms>.
MLASmart Define. "inane thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/inane/thesaurus/synonyms>