12 entries under astonishing topic. ×

8
eye-opening(adjective, amazing, shocking, surprise)
2
unpredicted(adjective, adverb, extraordinary, wonderful, shocking)
1
accidental(extraordinary, wonderful, shocking, astounding)
1
chance(extraordinary, wonderful, shocking, astounding)
1
electrifying(extraordinary, wonderful, shocking, astounding)
1
fortuitous(extraordinary, wonderful, shocking, astounding)
1
startling(extraordinary, wonderful, shocking, astounding)
1
stunning(extraordinary, wonderful, shocking, astounding)
1
unpredictable(extraordinary, wonderful, shocking, astounding)
0
extraordinary(wonderful, shocking, astounding)
0
remarkable(extraordinary, wonderful, shocking, astounding)
0
shocking(extraordinary, wonderful, astounding)
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APASmart Define. (2015). out of the blue thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/out_of_the_blue/thesaurus/synonyms
ChicagoSmart Define. 2015. "out of the blue thesaurus" https://smartdefine.org/out_of_the_blue/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, out of the blue thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/out_of_the_blue/thesaurus/synonyms>.
MLASmart Define. "out of the blue thesaurus" 3 August 2015. Web. 1 October 2026. <https://smartdefine.org/out_of_the_blue/thesaurus/synonyms>