149 entries under silly topic. ×

1
ape(foolish, unwise)
1
bats in the belfry(expression, idiom, foolish, unwise)
1
berserk(foolish, unwise)
1
beyond all reason(expression, idiom, foolish, fantastic)
1
birdbrained(foolish, impractical, unintelligent, unaware)
1
boneheaded(impractical, unintelligent, unaware, half-baked)
1
cracked(foolish, unwise)
1
crazed(foolish, unwise)
1
delirious(foolish, unwise)
1
demented(foolish, unwise)
1
dense(dull, foolish, stupid, unintelligent)
1
deranged(foolish, stupid, unwise)
1
dingy(foolish, unwise)
1
doltish(dull, weak, simple, foolish)
1
double talk(expression, adjective, stupid, insignificant)
1
doublespeak(adjective, stupid, insignificant, ridiculous)
1
erratic(foolish, unwise)
1
feebleminded(weak, simple, foolish, thoughtless)
1
flipped(foolish, unwise)
1
flipped out(expression, foolish, unwise)
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APASmart Define. (2015). ludicrous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ludicrous/thesaurus/synonyms
ChicagoSmart Define. 2015. "ludicrous thesaurus" https://smartdefine.org/ludicrous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, ludicrous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ludicrous/thesaurus/synonyms>.
MLASmart Define. "ludicrous thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/ludicrous/thesaurus/synonyms>