15 entries under crazy topic. ×

2
brainsick(adjective, sick, insane, sane)
2
loco(adjective, sick, insane, sane)
1
crackers(adjective, sick, sane)
1
crazy as a loon(expression, adjective, sick, lunatic)
1
distraught(adjective, sick, frantic, sane)
1
disturbed(adjective, sick)
1
dotty(adjective, sick, sane)
1
maniac(adjective, sick, sane, hacked)
1
mentally ill(expression, adjective, sick, sane)
1
not all there(expression, adjective, sick, lunatic)
1
nutty as a fruitcake(expression, adjective, sick, lunatic)
1
sick
1
sick in the head(expression, adjective, sick, lunatic)
1
stark raving mad(expression, adjective, sick, lunatic)
1
unsound(adjective, sick, sane)
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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>