1
around the bend(expression, adjective, wrong, wild, lunatic)
1
bananas(adjective, sane, off, hacked, lunatic)
1
barmy(adjective, silly, foolish, mad, insane)
1
batty(adjective, silly, foolish, mad, insane)
1
berserk(adjective, silly, foolish, mad, insane)
1
bonkers(adjective, silly, foolish, mad, insane)
1
buggy(adjective, sane, off)
1
cracked(adjective, silly, foolish, mad, insane)
1
crackers(adjective, crazy, sick, sane)
1
crazed(adjective, silly, foolish, mad, insane)
1
crazy as a loon(expression, adjective, crazy, sick, lunatic)
1
cuckoo(adjective, silly, foolish, mad, insane)
1
daft(adjective, silly, foolish, mad, insane)
1
delirious(adjective, silly, foolish, mad, insane)
1
demented(adjective, silly, foolish, mad, insane)
1
deranged(adjective, silly, foolish, mad, insane)
1
dingy(adjective, silly, foolish, mad, insane)
1
dippy(adjective, silly, foolish, mad, insane)
1
disordered(adjective, sane)
1
distraught(adjective, crazy, sick, frantic, sane)
15 years ago|554 views|share |citing 
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>