Synonyms|147Antonyms|15|Broader|0Narrower|0Related|1
1
disturbed(adjective, crazy, sick)
1
dotty(adjective, crazy, sick, sane)
1
erratic(adjective, silly, foolish, mad, insane)
1
flaky(adjective, silly, foolish, mad, insane)
1
flipped(adjective, silly, foolish, mad, insane)
1
idiotic(adjective, silly, foolish, mad, insane)
1
insane(adjective, silly, foolish, mad, unwise)
1
kooky(adjective, silly, foolish, mad, insane)
1
loony(adjective, silly, foolish, unwise, sane)
1
lunatic(adjective, silly, foolish, mad, insane)
1
mad(adjective, silly, foolish, insane, unwise)
1
maniac(adjective, crazy, sick, sane, hacked)
1
maniacal(adjective, silly, foolish, mad, insane)
1
mental(adjective, silly, foolish, mad, insane)
1
mentally ill(expression, adjective, crazy, sick, sane)
1
not all there(expression, adjective, crazy, sick, lunatic)
1
nuts(adjective, silly, foolish, mad, insane)
1
nutty(adjective, silly, foolish, mad, insane)
1
nutty as a fruitcake(expression, adjective, crazy, sick, lunatic)
1
off(adjective, sane)
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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>