92 entries under silly topic. ×

13
crazy(adjective, strange, foolish, insane)
6
aper(noun, adjective, mad, insane)
5
cuckoo(foolish, crazy, mad, insane)
2
bats in the belfry(expression, adjective, idiom, mad)
2
delirious(adjective, foolish, crazy, mad)
2
deranged(adjective, foolish, crazy, mad)
2
flipped(adjective, strong, severe, intense, violent)
2
flipped out(expression, foolish, crazy, mad)
2
freaked out(expression, foolish, mad, insane)
2
loony(adjective, foolish, crazy, unwise)
2
mad(foolish, crazy, insane, irrational)
2
mad as a March hare(expression, adjective, idiom, mad)
2
mad as a hatter(expression, adjective, idiom, mad)
2
mentally strange(expression, foolish, mad, insane)
2
nuts(foolish, crazy, mad, insane)
2
nutty(foolish, crazy, mad, insane)
2
nutty as fruitcake(expression, adjective, idiom, mad)
2
of unsound mind(expression, adjective, idiom, mad)
2
out to lunch(expression, adjective, idiom, mad)
2
outrageous(adjective, foolish, unwise)
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APASmart Define. (2015). ape thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/ape/thesaurus/synonyms
ChicagoSmart Define. 2015. "ape thesaurus" https://smartdefine.org/ape/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, ape thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/ape/thesaurus/synonyms>.
MLASmart Define. "ape thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/ape/thesaurus/synonyms>