93 entries under silly topic. ×

23
crazy(noun, adjective, wild, strange)
16
eccentric(noun, adjective, person, character, wild)
15
loony(noun, adjective, slang, informal, wild)
12
lunatic(noun, adjective, wild, foolish)
10
cuckoo(noun, adjective, slang, crazy)
8
nutty(adjective, foolish, crazy, mad)
8
zany(noun, adjective, person, foolish)
7
kooky(adjective, slang, foolish, crazy)
7
mad(adjective, foolish, crazy, insane)
7
screwy(adjective, foolish, crazy, mad)
6
balmy(adjective, foolish, unwise)
6
nuts(noun, adjective, slang, mad)
6
odd(adjective, foolish, usual, unwise)
6
peculiar(adjective, foolish, usual, unwise)
6
psycho(noun, slang, mad, sick)
6
strange(adjective, foolish, usual, unwise)
5
daft(adjective, foolish, crazy, mad)
5
dippy(adjective, foolish, mad, insane)
5
erratic(adjective, foolish, mad, usual)
5
foolish(adjective, unwise)
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APASmart Define. (2015). screwball thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/screwball/thesaurus/synonyms
ChicagoSmart Define. 2015. "screwball thesaurus" https://smartdefine.org/screwball/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, screwball thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/screwball/thesaurus/synonyms>.
MLASmart Define. "screwball thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/screwball/thesaurus/synonyms>