85 entries under silly topic. ×

3
laughable(adjective, dull, absurd, unintelligent)
3
nutty(adjective, wrong, foolish, stupid)
3
soft(adjective, stupid, green, fat)
3
uneducated(adjective, stupid, innocent, green)
3
wacky(adjective, wrong, careless, foolish)
2
batty(adjective, stupid, insignificant, unreasonable)
2
birdbrained(adjective, foolish, innocent, dense)
2
daft(adjective, foolish, stupid, insignificant)
2
half-witted(adjective, dull, simple, slow)
2
harebrained(careless, wild, foolish, stupid)
2
lunatic(foolish, mad, insane, unintelligent)
2
shallow(adjective, stupid, innocent, green)
2
simple-minded(adjective, stupid, green, fat)
2
slow(adjective, dull, simple, foolish)
2
unsound(adjective, wrong, foolish, stupid)
1
backward(adjective, stupid, green, fat)
1
deficient(dull, foolish, stupid, unintelligent)
1
double talk(expression, adjective, stupid, insignificant)
1
flaky(adjective, wrong, foolish, stupid)
1
futile(adjective, dull, simple, slow)
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APASmart Define. (2015). mindless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/mindless/thesaurus/synonyms
ChicagoSmart Define. 2015. "mindless thesaurus" https://smartdefine.org/mindless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, mindless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/mindless/thesaurus/synonyms>.
MLASmart Define. "mindless thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/mindless/thesaurus/synonyms>