15 entries under extraordinary topic. ×
| sudden(adjective, wonderful, shocking, surprise) | |
| impulsive(adjective, wonderful, quick, shocking) | |
| without warning(expression, adjective, wonderful, surprise) | |
| from left field(expression, adjective, idiom, wonderful) | |
| unpredicted(adjective, adverb, wonderful, shocking) | |
| accidental(wonderful, shocking, astonishing, astounding) | |
| astonishing(wonderful, shocking, astounding, unexpected) | |
| chance(wonderful, shocking, astonishing, astounding) | |
| electrifying(wonderful, shocking, astonishing, astounding) | |
| fortuitous(wonderful, shocking, astonishing, astounding) | |
| startling(wonderful, shocking, astonishing, astounding) | |
| stunning(wonderful, shocking, astonishing, astounding) | |
| unpredictable(wonderful, shocking, astonishing, astounding) | |
| remarkable(wonderful, shocking, astonishing, astounding) | |
| shocking(wonderful, astonishing, astounding) |
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| APA | Smart Define. (2015). out of the blue thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/out_of_the_blue/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "out of the blue thesaurus" https://smartdefine.org/out_of_the_blue/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, out of the blue thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/out_of_the_blue/thesaurus/synonyms>. |
| MLA | Smart Define. "out of the blue thesaurus" 3 August 2015. Web. 30 September 2026. <https://smartdefine.org/out_of_the_blue/thesaurus/synonyms> |