Synonyms|323Antonyms|22|Broader|2Narrower|0Related|588

25 entries under idiom topic. ×

8
of unsound mind(expression, adjective, silly, mad)
6
non compos mentis(expression, adjective, law, sane)
3
out to lunch(expression, adjective, silly, crazy)
3
stark raving mad(expression, adjective, sane, insanity)
2
bats in the belfry(expression, silly, foolish, mad)
2
mad as a March hare(expression, silly, foolish, mad)
2
mad as a hatter(expression, adjective, silly, mad)
2
not all there(adjective, sane)
2
nutty as fruitcake(expression, silly, foolish, mad)
2
round the bend(expression, silly, foolish, mad)
1
around the bend(adjective, sane)
1
in a transport
1
like one possessed
0
beside oneself
0
beyond all reason(expression, silly, foolish, unwise)
0
crazy as a loon(adjective, sane)
0
nutty as a fruitcake(adjective, sane)
0
off one's head(adjective, sane)
0
off one's rocker(adjective, sane)
0
out of all reason(expression, silly, foolish, unwise)
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ChicagoSmart Define. 2016. "maniacal thesaurus" https://smartdefine.org/maniacal/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, maniacal thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/maniacal/thesaurus/synonyms>.
MLASmart Define. "maniacal thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/maniacal/thesaurus/synonyms>