89 entries under silly topic. ×

1
derisory(foolish, fantastic, unwise, impractical)
1
fatuous(foolish, fantastic, unwise, impractical)
1
foolhardy(foolish, fantastic, unwise, impractical)
1
goofy(foolish, fantastic, odd, unconventional)
1
half-baked(foolish, fantastic, unwise, impractical)
1
harebrained(foolish, fantastic, unwise, impractical)
1
idiotic(foolish, fantastic, ridiculous, unwise)
1
ill-conceived(foolish, fantastic, unwise, impractical)
1
impracticable(foolish, fantastic, unwise, impractical)
1
imprudent(foolish, fantastic, unwise, impractical)
1
inane(foolish, fantastic, ridiculous, unwise)
1
irresponsible(foolish, fantastic, unwise, impractical)
1
loony(foolish, fantastic, odd, unconventional)
1
nonsensical(foolish, fantastic, ridiculous, unwise)
1
out of all reason(expression, idiom, foolish, fantastic)
1
out to lunch(expression, idiom, foolish, unwise)
1
puerile(foolish, fantastic, unwise, impractical)
1
quixotic(foolish, fantastic, unwise, impractical)
1
short-sighted(foolish, fantastic, unwise, impractical)
1
unrealistic(adjective, foolish, fantastic, unwise)
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APASmart Define. (2016). strange thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/strange/thesaurus/synonyms
ChicagoSmart Define. 2016. "strange thesaurus" https://smartdefine.org/strange/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, strange thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/strange/thesaurus/synonyms>.
MLASmart Define. "strange thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/strange/thesaurus/synonyms>