88 entries under fantastic topic. ×

12
sensational(adjective, cool, great, pleasant, keen)
12
wondrous(adjective, amazing, wonderful, marvelous)
10
excellent(adjective, good, bad, great, sound)
10
magnificent(adjective, strong, great, powerful, superb)
10
stunning(adjective, amazing, wonderful, astonishing)
8
grand(adjective, strong, great, big, powerful)
8
outstanding(adjective, unusual, strange, superb, wonderful)
8
unbelievable(adjective, good, strange, superb, wonderful)
7
remarkable(adjective, unusual, strange, superb, wonderful)
7
striking(adjective, superb, wonderful, exceptional, marvelous)
7
surprising(adjective, amazing, strange, wonderful, marvelous)
6
breathtaking(adjective, superb, wonderful, marvelous)
6
mind-blowing(adjective, excellent, informal, superb, wonderful)
6
strange(adjective, extraordinary, unusual, superb, wonderful)
5
awe-inspiring(adjective, awful, superb, wonderful, marvelous)
5
brilliant(adjective, pleasant, superb, marvelous)
5
fab(adjective, unusual, strange, superb, wonderful)
5
impressive(adjective, strong, great, powerful, superb)
5
inconceivable(adjective, unusual, strange, superb, wonderful)
4
legendary(adjective, excellent, superb, wonderful, marvelous)
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APASmart Define. (2015). stupendous thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/stupendous/thesaurus/synonyms
ChicagoSmart Define. 2015. "stupendous thesaurus" https://smartdefine.org/stupendous/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, stupendous thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/stupendous/thesaurus/synonyms>.
MLASmart Define. "stupendous thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/stupendous/thesaurus/synonyms>