16 entries under idiom topic. ×

4
not all there(expression, adjective, crazy, sick)
3
non compos mentis(expression, adjective, law, sane)
2
around the bend(expression, adjective, wrong, confused)
2
mad as a hatter(adjective, crazy, sick, insane)
2
of unsound mind(expression, adjective, wrong, sane)
2
sick in the head(expression, adjective, wrong, crazy)
2
stark raving mad(expression, adjective, crazy, sick)
1
crazy as a loon(expression, adjective, crazy, sick)
1
nutty as a fruitcake(expression, adjective, crazy, sick)
1
off one's rocker(adjective, insane, sane)
1
out of one's mind(adjective, insane, sane)
0
feeling nausea
0
hand over head(expression, inattention)
0
in love
0
off one's head(adjective, sane)
0
totally unsound
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APASmart Define. (2015). brainsick thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/brainsick/thesaurus/synonyms
ChicagoSmart Define. 2015. "brainsick thesaurus" https://smartdefine.org/brainsick/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, brainsick thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/brainsick/thesaurus/synonyms>.
MLASmart Define. "brainsick thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/brainsick/thesaurus/synonyms>