81 entries under astonishing topic. ×

19
glorious(adjective, good, cool, great, excellent)
19
keen(adjective, good, cool, great, excellent)
16
staggering(great, superb, adjective, excellent, super)
15
great(adjective, good, bad, cool, sound)
15
wondrous(adjective, amazing, fantastic, extraordinary, groovy)
14
cool(adjective, good, great, excellent, slang)
13
strange(adjective, hard, excellent, extraordinary, unusual)
13
breathtaking(adjective, hard, great, excellent, extraordinary)
13
impressive(adjective, cool, great, excellent, extraordinary)
13
prodigious(adjective, amazing, wonderful, fantastic, extraordinary)
13
super(adjective, good, bad, cool, great)
12
unbelievable(adjective, good, hard, great, excellent)
11
dandy(adjective, good, cool, great, excellent)
11
exceptional(adjective, good, bad, great, sound)
11
superior(adjective, good, bad, great, sound)
11
tremendous(adjective, good, bad, great, excellent)
9
boss(adjective, good, bad, cool, great)
9
fab(adjective, good, bad, cool, great)
9
unusual(adjective, hard, excellent, extraordinary, strange)
8
first-class(adjective, good, bad, cool, great)
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APASmart Define. (2016). marvelous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/marvelous/thesaurus/synonyms
ChicagoSmart Define. 2016. "marvelous thesaurus" https://smartdefine.org/marvelous/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, marvelous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/marvelous/thesaurus/synonyms>.
MLASmart Define. "marvelous thesaurus" 1 April 2016. Web. 29 September 2026. <https://smartdefine.org/marvelous/thesaurus/synonyms>