4
good
4
groundbreaking(adjective, terrific, radical, ultimate, fascinating)
4
highest
4
legendary(adjective, excellent, superb, wonderful, marvelous)
4
overgrown
4
peerless
4
rare
4
sublime(adjective, high, excessive, huge, striking)
4
surpassing(high, excessive, huge, lofty, tall)
3
fantastical(adjective, good, marvelous)
3
amplitudinous
3
beautiful
3
behemoth(adjective, big)
3
extravagant(adjective, great, big, superb, wonderful)
3
famous(adjective, wonderful, exceptional, marvelous, terrific)
3
fat(adjective, great, informal, big, wonderful)
3
first-class(adjective, good, bad, great, sound)
3
glorious(adjective, great, superb, wonderful, marvelous)
3
magic
3
matchless
11 years ago|16k views|share |citing 
APASmart Define. (2015). stupendous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/stupendous/thesaurus/synonyms
ChicagoSmart Define. 2015. "stupendous thesaurus" https://smartdefine.org/stupendous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, stupendous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/stupendous/thesaurus/synonyms>.
MLASmart Define. "stupendous thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/stupendous/thesaurus/synonyms>