67 entries under fantastic topic. ×

1
avant-garde(adjective, cool, extraordinary, unusual, wild)
1
beyond all reason(expression, idiom, silly, foolish)
1
camp(adjective, unusual, wild, strange)
1
cockeyed(wild, strange, foolish, crazy)
1
derisory(silly, foolish, unwise, impractical)
1
fatuous(adjective, silly, foolish, unwise)
1
foolhardy(silly, foolish, unwise, impractical)
1
grody(unusual, wild, strange, exceptional)
1
half-baked(silly, foolish, unwise, impractical)
1
harebrained(silly, foolish, unwise, impractical)
1
idiotic(adjective, silly, foolish, unwise)
1
ill-conceived(silly, foolish, unwise, impractical)
1
impracticable(silly, foolish, unwise, impractical)
1
imprudent(silly, foolish, unwise, impractical)
1
inane(adjective, silly, foolish, unwise)
1
inappropriate(silly, foolish, unreasonable, outrageous)
1
irresponsible(silly, foolish, unwise, impractical)
1
mod(adjective, cool, unusual, wild)
1
out of all reason(expression, idiom, silly, foolish)
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out of this world(expression, adjective, idiom, extraordinary, unusual)
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APASmart Define. (2016). weird thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/weird/thesaurus/synonyms
ChicagoSmart Define. 2016. "weird thesaurus" https://smartdefine.org/weird/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, weird thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/weird/thesaurus/synonyms>.
MLASmart Define. "weird thesaurus" 31 March 2016. Web. 29 September 2026. <https://smartdefine.org/weird/thesaurus/synonyms>