87 entries under marvelous topic. ×

2
great(adjective, pleasant, excellent, extraordinary, superb)
2
groovy(adjective, moving, lively, superb, wonderful)
2
inconceivable(adjective, great, extraordinary, unusual, strange)
2
outrageous(adjective, superb, wonderful, fantastic)
2
super(adjective, cool, extraordinary, superb, wonderful)
2
unheard-of(adjective, unusual, strange, superb, exceptional)
1
A-OK(adjective, excellent, superb, wonderful)
1
aces(adjective, excellent, superb, wonderful)
1
best(adjective, excellent, superb, wonderful)
1
bizarre(adjective, unusual, strange, wonderful, exceptional)
1
cool(adjective, great, extraordinary, superb, wonderful)
1
divine(adjective, cool, great, pleasant, keen)
1
doozie(adjective, excellent, superb, wonderful)
1
dynamite(adjective, great, superb, wonderful)
1
excellent(adjective, cool, keen, swell, extraordinary)
1
extravagant(adjective, excellent, superb, wonderful)
1
far-fetched(extraordinary, fantastic, amazing, incredible)
1
fictitious(adjective, excellent, superb, wonderful)
1
first-class(adjective, excellent, extraordinary, superb, wonderful)
1
greatest(adjective, cool, extraordinary, superb, wonderful)
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APASmart Define. (2015). astonishing thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/astonishing/thesaurus/synonyms
ChicagoSmart Define. 2015. "astonishing thesaurus" https://smartdefine.org/astonishing/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, astonishing thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/astonishing/thesaurus/synonyms>.
MLASmart Define. "astonishing thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/astonishing/thesaurus/synonyms>