Synonyms|204Antonyms|45|Broader|0Narrower|0Related|131
1
astonishing
1
awesomely
1
briskly
1
capriciously
1
chimerically
1
conceptually(adverb, imaginarily)
1
conjecturally(adverb, theoretically)
1
delusively
1
eccentrically
1
enormously
1
exotically
1
extravagantly
1
fancily
1
fantastic
1
fantasticality
1
fictionally
1
freakily
1
grotesquely
1
hypothetically(adverb, theoretically)
1
implausibly
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APASmart Define. (2015). fantastically thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/fantastically/thesaurus/synonyms
ChicagoSmart Define. 2015. "fantastically thesaurus" https://smartdefine.org/fantastically/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, fantastically thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/fantastically/thesaurus/synonyms>.
MLASmart Define. "fantastically thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/fantastically/thesaurus/synonyms>