Synonyms|147Antonyms|15|Broader|0Narrower|0Related|1

99 entries under adjective topic. ×

3
fruity(silly, foolish, mad, insane)
3
nutty as fruitcake(expression, idiom, wild, silly)
2
bats in the belfry(expression, idiom, wild, silly)
2
brainsick(crazy, sick, insane, sane)
2
crazy(wrong, wild, strange, silly)
2
flipped out(expression, silly, foolish, mad)
2
freaked out(expression, silly, foolish, mad)
2
loco(crazy, sick, insane, sane)
2
mad as a March hare(expression, idiom, wild, silly)
2
mentally strange(expression, silly, foolish, mad)
2
moonstruck(silly, foolish, mad, insane)
2
of unsound mind(expression, idiom, wild, silly)
2
out to lunch(expression, idiom, wild, silly)
2
potty(wild, silly, foolish, mad)
2
round the bend(expression, idiom, wild, silly)
2
schizo(wild, silly, foolish, mad)
2
screw loose(expression, wild, silly, foolish)
2
unglued(wild, silly, foolish, mad)
1
ape(silly, foolish, mad, insane)
1
aper(silly, mad, confused, insane)
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APASmart Define. (2011). mad as a hatter thesaurus. Retrieved September 29, 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 29, 2026).
HarvardSmart Define 2011, mad as a hatter thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/mad_as_a_hatter/thesaurus/synonyms>.
MLASmart Define. "mad as a hatter thesaurus" 23 May 2011. Web. 29 September 2026. <https://smartdefine.org/mad_as_a_hatter/thesaurus/synonyms>