65 entries under impressive topic. ×

2
grand(awful, wonderful, fantastic, amazing, splendid)
2
great(adjective, pleasant, excellent, extraordinary, superb)
2
groovy(adjective, moving, lively, superb, wonderful)
2
inconceivable(adjective, great, extraordinary, unusual, strange)
2
marked(extraordinary, outstanding, fantastic, remarkable, notable)
2
outrageous(adjective, superb, wonderful, marvelous, fantastic)
2
rare(adjective, extraordinary, unusual, strange, exceptional)
2
singular(adjective, extraordinary, unusual, strange, superb)
2
super(adjective, cool, extraordinary, superb, wonderful)
1
cool(adjective, great, extraordinary, superb, wonderful)
1
divine(adjective, cool, great, pleasant, keen)
1
excellent(adjective, cool, keen, swell, extraordinary)
1
extravagant(adjective, excellent, superb, wonderful, marvelous)
1
greatest(adjective, cool, extraordinary, superb, wonderful)
1
out of the ordinary(expression, adjective, idiom, extraordinary, unusual)
1
peachy(adjective, cool, superb, wonderful, marvelous)
1
preternatural(adjective, extraordinary, unusual, amazing, remarkable)
1
unwonted(adjective, extraordinary, unusual, strange, exceptional)
0
daring(fantastic, stunning)
0
extra special(expression, extraordinary, remarkable)
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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>