83 entries under fantastic topic. ×

1
cockeyed(silly, foolish, unwise, impractical)
1
cool(adjective, great, superb, wonderful, marvelous)
1
derisory(silly, foolish, absurd, half-baked)
1
doozie(adjective, excellent, superb, wonderful, marvelous)
1
fab(adjective, superb, wonderful, marvelous)
1
fatuous(adjective, silly, foolish, unwise)
1
fictitious(adjective, excellent, superb, wonderful, marvelous)
1
first-class(adjective, excellent, superb, wonderful, marvelous)
1
foolhardy(adjective, wild, strange, silly, foolish)
1
goofy(silly, foolish, unwise, half-baked)
1
greatest(adjective, cool, superb, wonderful, marvelous)
1
groovy(adjective, superb, wonderful, marvelous)
1
half-baked(silly, foolish, unwise, impractical)
1
harebrained(silly, foolish, absurd, half-baked)
1
idiotic(adjective, silly, foolish, unwise)
1
ill-conceived(silly, foolish, unwise, impractical)
1
impracticable(adjective, rough, wild, strange, silly)
1
imprudent(adjective, severe, harsh, wild, strange)
1
inane(silly, foolish, unwise, impractical)
1
irresponsible(silly, foolish, unwise, impractical)
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APASmart Define. (2015). outrageous thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/outrageous/thesaurus/synonyms
ChicagoSmart Define. 2015. "outrageous thesaurus" https://smartdefine.org/outrageous/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, outrageous thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/outrageous/thesaurus/synonyms>.
MLASmart Define. "outrageous thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/outrageous/thesaurus/synonyms>