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

20 entries under expression topic. ×

3
nutty as fruitcake(adjective, idiom, wild, silly)
2
bats in the belfry(adjective, idiom, wild, silly)
2
flipped out(adjective, silly, foolish, mad)
2
freaked out(adjective, silly, foolish, mad)
2
mad as a March hare(adjective, idiom, wild, silly)
2
mentally strange(adjective, silly, foolish, mad)
2
of unsound mind(adjective, idiom, wild, silly)
2
out to lunch(adjective, idiom, wild, silly)
2
round the bend(adjective, idiom, wild, silly)
2
screw loose(adjective, wild, silly, foolish)
1
around the bend(adjective, wrong, wild, lunatic)
1
crazy as a loon(adjective, crazy, sick, lunatic)
1
mentally ill(adjective, crazy, sick, sane)
1
not all there(adjective, crazy, sick, lunatic)
1
nutty as a fruitcake(adjective, crazy, sick, lunatic)
1
sick in the head(adjective, crazy, sick, lunatic)
1
stark raving mad(adjective, crazy, sick, lunatic)
0
beyond all reason(adjective, idiom, wild, silly)
0
out of all reason(adjective, idiom, wild, silly)
0
well built(unglued, well-built, potty)
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APASmart Define. (2011). mad as a hatter thesaurus. Retrieved September 27, 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 27, 2026).
HarvardSmart Define 2011, mad as a hatter thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/mad_as_a_hatter/thesaurus/synonyms>.
MLASmart Define. "mad as a hatter thesaurus" 23 May 2011. Web. 27 September 2026. <https://smartdefine.org/mad_as_a_hatter/thesaurus/synonyms>