494 entries under adjective topic. ×

6
retarded
6
sappy(foolish, sentimental, imbecility folly)
6
soft(dull, silly, green, fat)
6
unimaginative(dull, flat, ordinary, dry)
5
arid(dull, flat, ordinary, dry)
5
blind(careless, foolish, thoughtless, unthinking)
5
credulous(silly, green, fat, thick)
5
dunce(noun, fool, sap)
5
fat(silly, green, thick)
5
halfwitted
5
hare-brained
5
ignorant(dull, simple, rough, slow)
5
jejune(dull, flat, slow, silly)
5
jerky(weak, simple, silly, foolish)
5
lethargic(action, dull, slow, cold)
5
outlandish(offensive, rude, wild, silly)
5
prosaic(dull, flat, ordinary, dry)
5
rash(dull, sharp, rough, harsh)
5
short-sighted(weak, simple, silly, foolish)
5
simple-minded(dull, simple, slow, informal)
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APASmart Define. (2016). stupid thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/stupid/thesaurus/synonyms
ChicagoSmart Define. 2016. "stupid thesaurus" https://smartdefine.org/stupid/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, stupid thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/stupid/thesaurus/synonyms>.
MLASmart Define. "stupid thesaurus" 2 April 2016. Web. 26 September 2026. <https://smartdefine.org/stupid/thesaurus/synonyms>