65 entries under impressive topic. ×

14
stupendous(adjective, wonderful, amazing, marvelous, fantastic)
13
unusual(adjective, extraordinary, strange, superb, exceptional)
10
sensational(adjective, cool, moving, excellent, extraordinary)
10
striking(adjective, extraordinary, awful, unusual, terrible)
8
magnificent(adjective, great, excellent, awful, terrible)
8
outstanding(adjective, great, excellent, extraordinary, unusual)
7
brilliant(adjective, great, excellent, superb, marvelous)
7
exceptional(adjective, extraordinary, unusual, strange, outstanding)
6
enjoyable(adjective, cool, great, excellent, superb)
6
exciting(adjective, extraordinary, wonderful, fantastic, stirring)
6
eye-catching(fantastic, remarkable, striking, stunning)
6
pleasant(adjective, cool, great, excellent, superb)
6
swell(adjective, cool, great, excellent, superb)
6
terrific(adjective, great, excellent, unusual, strange)
6
uncommon(adjective, extraordinary, unusual, strange, exceptional)
5
strange(adjective, extraordinary, unusual, superb, exceptional)
3
superb(adjective, cool, great, excellent, extraordinary)
3
thrilling(adjective, moving, extraordinary, lively, wonderful)
3
unparalleled(adjective, extraordinary, unusual, strange, exceptional)
2
fab(adjective, extraordinary, unusual, strange, superb)
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APASmart Define. (2015). astonishing thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/astonishing/thesaurus/synonyms
ChicagoSmart Define. 2015. "astonishing thesaurus" https://smartdefine.org/astonishing/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, astonishing thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/astonishing/thesaurus/synonyms>.
MLASmart Define. "astonishing thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/astonishing/thesaurus/synonyms>