282 entries under adjective topic. ×

3
eccentric(silly, foolish, fantastic, absurd)
3
fallacious(poor, absurd, implausible, unconvincing)
3
feeble-minded(foolish, stupid, impractical, half-baked)
3
foolhardy(silly, foolish, stupid, crazy)
3
half-witted(dull, simple, slow, silly)
3
implausible(poor, absurd, unconvincing)
3
incongruous(silly, stupid, insignificant, unreasonable)
3
inconsistent(simple, silly, foolish, stupid)
3
irresponsible(careless, silly, foolish, stupid)
3
knuckle-headed
3
kooky(silly, foolish, unwise)
3
lame-brained
3
lunatic(simple, silly, foolish, crazy)
3
meat-headed
3
nitwit
3
obtuse(dull, simple, slow, careless)
3
paradoxical
3
purposeless(value, silly, stupid, insignificant)
3
self-contradictory
3
stale(dull, weak, boring, dead)
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APASmart Define. (2015). inane thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/inane/thesaurus/synonyms
ChicagoSmart Define. 2015. "inane thesaurus" https://smartdefine.org/inane/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, inane thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/inane/thesaurus/synonyms>.
MLASmart Define. "inane thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/inane/thesaurus/synonyms>