94 entries under simple topic. ×

2
nutty(adjective, weak, silly, foolish)
2
simpleminded(adjective, dull, silly, foolish)
2
wacky(adjective, weak, silly, foolish)
1
addled(adjective, slow, stupid, boring)
1
dotty(weak, silly, foolish, thoughtless)
1
fantastic(weak, silly, foolish, thoughtless)
1
flighty(adjective, slight, foolish, stupid)
1
frivolous(adjective, slight, silly, foolish)
1
futile(adjective, dull, slow, silly)
1
gullible(adjective, dull, slow, silly)
1
half-baked(adjective, dull, weak, slight)
1
harebrained(weak, silly, foolish, crazy)
1
ill-advised(dull, weak, silly, foolish)
1
imprudent(weak, silly, foolish, thoughtless)
1
incautious(weak, silly, foolish, thoughtless)
1
inconsistent(adjective, silly, foolish, stupid)
1
indiscreet(adjective, dull, weak, silly)
1
kooky(weak, silly, foolish, thoughtless)
1
loony(weak, silly, foolish, thoughtless)
1
lunatic(weak, silly, foolish, crazy)
10 years ago|15k views|share |citing 
APASmart Define. (2016). unintelligent thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unintelligent/thesaurus/synonyms
ChicagoSmart Define. 2016. "unintelligent thesaurus" https://smartdefine.org/unintelligent/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, unintelligent thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unintelligent/thesaurus/synonyms>.
MLASmart Define. "unintelligent thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/unintelligent/thesaurus/synonyms>