3
overwhelming(adjective, great, wonderful, amazing, astonishing)
3
prominent(adjective, wonderful, exceptional, marvelous, terrific)
3
unequalled
3
unimaginable
3
unreal(adjective, excellent, informal, superb, wonderful)
3
weighty
2
bad(adjective, good, great, sound, pleasant)
2
bewildering(amazing, surprising)
2
capacious(adjective, great, big, huge)
2
classic
2
dazzling(adjective, wonderful, exceptional, marvelous, fantastic)
2
divine(adjective, cool, great, pleasant, keen)
2
endless(adjective, huge, vast, massive, unlimited)
2
epic
2
exceeding
2
excessive(great, big, high, huge, greatness)
2
exorbitant(great, big, huge, greatness)
2
exquisite
2
far-out(adjective, wonderful, exceptional, marvelous, terrific)
2
fine(adjective, bad, great, pleasant, superior)
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>