55 entries under expression topic. ×

11
non compos mentis(adjective, idiom, law, unstable)
10
of unsound mind(adjective, idiom, silly, mad)
7
not all there(adjective, idiom, crazy, unstable)
7
off one's rocker(adjective, idiom, sane)
7
round the bend(adjective, idiom, silly, foolish)
6
out to lunch(adjective, idiom, silly, mad)
5
around the bend(adjective, idiom, wrong, confused)
5
mentally ill(adjective, idiom, sane, unwell)
3
not right(idiom, crazy, insanity, cuckoo)
2
bats in the belfry(idiom, silly, foolish, mad)
2
bereft of reason(idiom, insanity)
2
flipped out(silly, foolish, crazy, mad)
2
freaked out(silly, foolish, crazy, mad)
2
mad as a March hare(idiom, silly, foolish, mad)
2
mad as a hatter(adjective, idiom, silly, foolish)
2
mentally deficient(silly, foolish, stupid)
2
mentally strange(silly, foolish, mad, insane)
2
nutty as fruitcake(idiom, silly, foolish, mad)
2
off one's head(adjective, idiom, crazy, mad)
2
off the wall(adjective, idiom, unusual, silly)
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APASmart Define. (2015). daft thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/daft/thesaurus/synonyms
ChicagoSmart Define. 2015. "daft thesaurus" https://smartdefine.org/daft/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, daft thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/daft/thesaurus/synonyms>.
MLASmart Define. "daft thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/daft/thesaurus/synonyms>