0
half-baked(silly, foolish, unwise)
0
harebrained(silly, foolish, unwise)
0
ill-conceived(adjective, wild, silly, foolish, senseless)
0
impracticable(silly, foolish, unwise)
0
impractical(adjective, wrong, wild)
0
imprudent(silly, foolish, unwise)
0
inane(silly, foolish, unwise)
0
inappropriate(silly, foolish, unwise)
0
irrational(adjective, wrong, wild, silly, foolish)
0
irresponsible(adjective, wrong, wild, silly, foolish)
0
ludicrous(silly, foolish, unwise)
0
masculine(unglued, well-built, potty)
0
non compos mentis(adjective, law, sane)
0
nonsensical(silly, foolish, unwise)
0
odd(silly, foolish, unwise)
0
out of all reason(expression, adjective, idiom, wild, silly)
0
outlandish(silly, foolish, unwise)
0
outrageous(silly, foolish, unwise)
0
peculiar(silly, foolish, unwise)
0
preposterous(adjective, wrong, wild, silly, foolish)
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APASmart Define. (2011). mad as a hatter thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/mad_as_a_hatter/thesaurus/synonyms
ChicagoSmart Define. 2011. "mad as a hatter thesaurus" https://smartdefine.org/mad_as_a_hatter/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2011, mad as a hatter thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/mad_as_a_hatter/thesaurus/synonyms>.
MLASmart Define. "mad as a hatter thesaurus" 23 May 2011. Web. 30 September 2026. <https://smartdefine.org/mad_as_a_hatter/thesaurus/synonyms>