Synonyms|255Antonyms|5|Broader|0Narrower|0Related|51

48 entries under insane topic. ×

2
bats in the belfry(expression, adjective, idiom, silly, mad)
2
berserk(adjective, wild, silly, foolish, mad)
2
delirious(adjective, wild, silly, foolish, mad)
2
deranged(adjective, wild, silly, foolish, mad)
2
flipped out(expression, wild, silly, foolish, mad)
2
freaked out(expression, wild, silly, foolish, mad)
2
mad(adjective, upset, wild, silly, foolish)
2
mad as a March hare(expression, adjective, idiom, silly, mad)
2
mad as a hatter(expression, adjective, idiom, silly, mad)
2
mentally strange(expression, silly, foolish, mad)
2
nutty as fruitcake(expression, adjective, idiom, silly, mad)
2
of unsound mind(expression, adjective, idiom, silly, mad)
2
out to lunch(expression, idiom, silly, mad)
2
round the bend(expression, adjective, idiom, silly, mad)
2
screw loose(expression, adjective, silly, foolish, mad)
2
screwy(silly, foolish, mad, distracted)
2
unglued(adjective, upset, hurt, low, sad)
1
ape(silly, foolish, crazy, mad)
1
barmy(silly, foolish, mad, unwise)
1
batty(silly, foolish, mad, unwise)
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ChicagoSmart Define. 2016. "unzipped thesaurus" https://smartdefine.org/unzipped/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, unzipped thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unzipped/thesaurus/synonyms>.
MLASmart Define. "unzipped thesaurus" 26 February 2016. Web. 30 September 2026. <https://smartdefine.org/unzipped/thesaurus/synonyms>