42 entries under crazy topic. ×

4
imbecile(adjective, dull, simple, silly, foolish)
4
nonsensical(adjective, dull, weak, simple, silly)
4
ridiculous(adjective, weak, simple, mind, think)
4
thick-witted(adjective, foolish, stupid, insane)
4
weak(adjective, simple, silly, foolish, stupid)
3
ludicrous(adjective, dull, weak, simple, silly)
3
mad(adjective, weak, simple, silly, foolish)
2
absurd(adjective, weak, simple, silly, foolish)
2
birdbrained(silly, foolish, stupid, insane)
2
daffy(adjective, weak, simple, slow, silly)
2
insane(weak, simple, silly, foolish)
2
nutty(adjective, weak, simple, silly, foolish)
2
wacky(adjective, weak, simple, silly, foolish)
1
batty(adjective, silly, foolish, stupid)
1
foolhardy(foolish, insane, rash, risky)
1
half-baked(adjective, dull, weak, simple, slight)
1
harebrained(weak, simple, silly, foolish)
1
indiscreet(adjective, dull, weak, simple, silly)
1
lunatic(weak, simple, silly, foolish)
1
unreasonable(adjective, weak, simple, silly, foolish)
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APASmart Define. (2016). unintelligent thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unintelligent/thesaurus/synonyms
ChicagoSmart Define. 2016. "unintelligent thesaurus" https://smartdefine.org/unintelligent/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unintelligent thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unintelligent/thesaurus/synonyms>.
MLASmart Define. "unintelligent thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/unintelligent/thesaurus/synonyms>