118 entries under crazy topic. ×

11
dumb(adjective, foolish, stupid, vague)
11
zany(adjective, weak, simple, knowledge, ability)
10
hare-brained(adjective, foolish, zany)
9
batty(adjective, light, wild, foolish, stupid)
9
nuts(adjective, wild, foolish, stupid)
9
screwy(adjective, light, wild, foolish, stupid)
8
cockamamie(adjective, weak, simple, foolish)
8
funny(adjective, light, absurd, amusing)
8
reckless(adjective, careless, foolish, stupid)
7
dotty(adjective, weak, simple, foolish, stupid)
7
rash(adjective, careless, foolish, stupid)
6
cuckoo(adjective, foolish, stupid, mad)
6
daffy(adjective, simple, foolish, stupid)
6
kooky(adjective, weak, simple, foolish)
5
unthinking(adjective, wrong, slight, careless, foolish)
5
ill-advised(adjective, weak, simple, careless, foolish)
5
lunatic(adjective, weak, simple, knowledge, ability)
4
birdbrained(adjective, slang, ability, foolish, stupid)
4
barmy(adjective, foolish, mad, trivial)
4
cracked(adjective, wild, foolish, stupid)
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APASmart Define. (2016). silly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/silly/thesaurus/synonyms
ChicagoSmart Define. 2016. "silly thesaurus" https://smartdefine.org/silly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, silly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/silly/thesaurus/synonyms>.
MLASmart Define. "silly thesaurus" 20 January 2016. Web. 23 September 2026. <https://smartdefine.org/silly/thesaurus/synonyms>