Synonyms|301Antonyms|16|Broader|0Narrower|0Related|110

43 entries under idiom topic. ×

9
round the bend(expression, adjective, silly, foolish)
8
of unsound mind(expression, adjective, silly, mad)
6
out to lunch(expression, adjective, silly, mad)
5
mentally ill(expression, adjective, sane)
5
not all there(expression, adjective, crazy, sane)
4
around the bend(expression, adjective, sane)
4
off one's rocker(adjective, sane)
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
nutty as fruitcake(expression, silly, foolish, mad)
2
stark raving mad(expression, adjective, sane)
1
just plain nuts
1
off the hinges
1
off the track
1
off the wall
1
on the blink(expression, adjective, continuously)
1
out of order(expression, adjective, working)
1
raving mad
0
become insane(expression, insanity)
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APASmart Define. (2015). bonkers thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/bonkers/thesaurus/synonyms
ChicagoSmart Define. 2015. "bonkers thesaurus" https://smartdefine.org/bonkers/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, bonkers thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/bonkers/thesaurus/synonyms>.
MLASmart Define. "bonkers thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/bonkers/thesaurus/synonyms>