- Definitions|2
- Thesaurus|1.5k
- Abbreviations|0
111 entries under adjective topic. ×
| rough | |
| stand-by | |
| substitute | |
| surprise | |
| temporary | |
| unanticipated | |
| undisclosed | |
| unheralded | |
| unpublished | |
| unwritten | |
| withheld |
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| APA | Smart Define. (2016). impromptu thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/impromptu/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "impromptu thesaurus" https://smartdefine.org/impromptu/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, impromptu thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/impromptu/thesaurus/synonyms>. |
| MLA | Smart Define. "impromptu thesaurus" 28 January 2016. Web. 24 September 2026. <https://smartdefine.org/impromptu/thesaurus/synonyms> |