60 entries under weak topic. ×

9
lunatic(adjective, simple, wild, silly)
9
wacky(adjective, simple, informal, unusual)
8
daft(adjective, simple, wild, silly)
8
moronic(adjective, simple, silly, foolish)
7
ill-advised(simple, careless, silly, foolish)
7
imprudent(adjective, simple, severe, harsh)
7
loony(adjective, simple, careless, wild)
7
witless(adjective, simple, careless, silly)
6
dippy(adjective, foolish, stupid, crazy)
6
fantastic(adjective, simple, strange, silly)
6
kooky(adjective, simple, unusual, wild)
5
erratic(adjective, unusual, wild, strange)
5
ill-considered(adjective, simple, careless, silly)
5
injudicious(adjective, careless, foolish, stupid)
5
unintelligent(adjective, simple, silly, foolish)
4
dotty(adjective, simple, silly, foolish)
4
indiscreet(adjective, simple, careless, silly)
3
cockamamie(adjective, simple, silly, foolish)
3
unpredictable(adjective, silly, uncertain, crazy)
2
daffy(adjective, simple, silly, foolish)
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APASmart Define. (2015). irrational thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/irrational/thesaurus/synonyms
ChicagoSmart Define. 2015. "irrational thesaurus" https://smartdefine.org/irrational/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, irrational thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/irrational/thesaurus/synonyms>.
MLASmart Define. "irrational thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/irrational/thesaurus/synonyms>