25 entries under expression topic. ×
| out of nowhere(idiom, not expected, not planned, unhoped) | |
| out of thin air(idiom, not expected, not planned, unhoped) | |
| reckon without something(idiom, not expected, not planned, unhoped) | |
| when the spirit moves(idiom, not expected, not planned, unhoped) | |
| ad hoc |
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| APA | Smart Define. (2015). out of the blue thesaurus. Retrieved September 28, 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 28, 2026). |
| Harvard | Smart Define 2015, out of the blue thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/out_of_the_blue/thesaurus/synonyms>. |
| MLA | Smart Define. "out of the blue thesaurus" 3 August 2015. Web. 28 September 2026. <https://smartdefine.org/out_of_the_blue/thesaurus/synonyms> |