90 entries under simple topic. ×

2
birdbrained(adjective, dull, slow, silly)
2
futile(adjective, dull, slow, foolish)
2
harebrained(adjective, weak, knowledge, ability)
2
injudicious(adjective, weak, mind, think)
2
kooky(weak, silly, foolish, thoughtless)
2
meaningless(adjective, dull, slow, silly)
2
rash(adjective, dull, slow, silly)
2
vacuous(adjective, dull, slow, stupid)
2
weak(dull, silly, foolish, limited)
1
addled(adjective, slow, stupid, boring)
1
dimwitted(adjective, dull, silly, foolish)
1
dummy(dull, limited, unintelligent, witless)
1
fantastic(weak, silly, foolish, thoughtless)
1
gullible(adjective, dull, slow, silly)
1
ill-advised(adjective, dull, weak, silly)
1
ill-considered(weak, silly, foolish, thoughtless)
1
imprudent(weak, silly, foolish, thoughtless)
1
incautious(weak, silly, foolish, thoughtless)
1
indiscreet(dull, weak, silly, foolish)
1
insensate(adjective, dull, slow, silly)
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APASmart Define. (2016). moronic thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/moronic/thesaurus/synonyms
ChicagoSmart Define. 2016. "moronic thesaurus" https://smartdefine.org/moronic/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, moronic thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/moronic/thesaurus/synonyms>.
MLASmart Define. "moronic thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/moronic/thesaurus/synonyms>