10
impressive(great, excellent, superb, super, groovy)
10
improbable(adjective, great, excellent, extraordinary, strange)
10
ingenious(adjective, great, excellent, superb, original)
10
pleasant(adjective, cool, great, excellent, superb)
10
prodigious(adjective, good, great, extraordinary, unusual)
10
unrealistic(adjective, happy, tender, perfect, false)
10
very good(great, excellent, superb, marvelous, super)
9
cool(adjective, good, great, excellent, slang)
9
cracking(adjective, great, job, marvelous, huge)
9
dandy(noun, adjective, good, great, informal)
9
delightful(adjective, great, excellent, superb, wonderful)
9
delusive(adjective, false, strange, fantasy, deceitful)
9
enchanting(adjective, great, excellent, happy, tender)
9
enjoyable(adjective, cool, great, excellent, superb)
9
fancied(adjective, happy, perfect, strange, extravagant)
9
fictional(adjective, happy, perfect, false, wild)
9
illusive(adjective, strange, different, fantasy, imaginary)
9
ludicrous(adjective, weak, simple, wild, strange)
9
nice(great, excellent, superb, super, groovy)
9
nifty(adjective, good, great, slang, wonderful)
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APASmart Define. (2016). fantastic thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/fantastic/thesaurus/synonyms
ChicagoSmart Define. 2016. "fantastic thesaurus" https://smartdefine.org/fantastic/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, fantastic thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/fantastic/thesaurus/synonyms>.
MLASmart Define. "fantastic thesaurus" 30 March 2016. Web. 27 September 2026. <https://smartdefine.org/fantastic/thesaurus/synonyms>