105 entries under silly topic. ×

1
derisory(foolish, fantastic, absurd, pathetic)
1
ditsy
1
fatuous(foolish, fantastic, unwise, impractical)
1
foolhardy(foolish, fantastic, unwise, impractical)
1
goofy(strange, foolish, crazy, fantastic)
1
half-baked(foolish, fantastic, unwise, impractical)
1
harebrained(adjective, keen, warm, wild, strange)
1
ill-conceived(foolish, fantastic, unwise, impractical)
1
impracticable(foolish, fantastic, unwise, impractical)
1
imprudent(foolish, fantastic, unwise, impractical)
1
mad as a hatter(expression, idiom, foolish, unwise)
1
nutty as fruitcake(expression, idiom, foolish, unwise)
1
out of all reason(expression, idiom, foolish, fantastic)
1
out to lunch(expression, adjective, idiom, foolish)
1
puerile(foolish, fantastic, unwise, impractical)
1
quixotic(foolish, fantastic, unwise, impractical)
1
short-sighted(foolish, fantastic, unwise, impractical)
1
unrealistic(foolish, fantastic, unwise, impractical)
1
unworkable(foolish, fantastic, unwise, impractical)
1
way out(expression, adjective, beat, unusual, wild)
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APASmart Define. (2016). eccentric thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/eccentric/thesaurus/synonyms
ChicagoSmart Define. 2016. "eccentric thesaurus" https://smartdefine.org/eccentric/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, eccentric thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/eccentric/thesaurus/synonyms>.
MLASmart Define. "eccentric thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/eccentric/thesaurus/synonyms>