- Definitions|1
- Thesaurus|176
- Abbreviations|0
19 entries under impromptu topic. ×
| spontaneous(noun, adjective, free, fake, informal) | |
| extemporaneous(noun, adjective, impulsive, prepared, spontaneous) | |
| extempore(adjective, free, prepared, spontaneous) | |
| unprepared(adjective, free, spontaneous, unrehearsed) | |
| unstudied(adjective, free, spontaneous, unrehearsed) | |
| extemporary(adjective, free, casual, impulsive, prepared) | |
| snap(noun, adjective, free, fake, informal) | |
| unrehearsed(adjective, free, prepared, spontaneous, unprepared) | |
| ad-lib(adjective, prepared, spontaneous, unprepared) | |
| off-the-cuff(adjective, informal, impulsive, prepared, spontaneous) | |
| off the cuff(expression, adjective, free, unrehearsed) | |
| improvised(adjective, free, prepared, spontaneous, unprepared) | |
| informal(adjective, free, spontaneous, unrehearsed) | |
| autoschediastic(adjective, free, casual, impulsive, spontaneous) | |
| off the top of head(expression, idiom, free, unrehearsed) | |
| unscripted(spontaneous, unprepared, unplanned, unrehearsed) | |
| off the hip(expression, idiom, extemporaneous) | |
| throwaway | |
| without preparation(expression, extemporaneous) |
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| APA | Smart Define. (2015). spur-of-the-moment thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/spur-of-the-moment/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "spur-of-the-moment thesaurus" https://smartdefine.org/spur-of-the-moment/thesaurus/synonyms (accessed October 2, 2026). |
| Harvard | Smart Define 2015, spur-of-the-moment thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/spur-of-the-moment/thesaurus/synonyms>. |
| MLA | Smart Define. "spur-of-the-moment thesaurus" 13 April 2015. Web. 2 October 2026. <https://smartdefine.org/spur-of-the-moment/thesaurus/synonyms> |