- Definitions|1
- Thesaurus|176
- Abbreviations|0
27 entries under spontaneous topic. ×
| offhand(noun, adjective, free, prepared) | |
| extemporaneous(noun, adjective, impulsive, prepared) | |
| unpremeditated(noun, adjective, free, impulsive) | |
| impromptu(adjective, adverb, free, prepared) | |
| unplanned(noun, adjective, free, impulsive) | |
| extempore(adjective, free, prepared, impromptu) | |
| unprepared(adjective, free, impromptu, unrehearsed) | |
| unstudied(adjective, free, impromptu, unrehearsed) | |
| extemporary(adjective, free, casual, impulsive, prepared) | |
| snap(noun, adjective, free, fake, informal) | |
| unrehearsed(adjective, free, prepared, unprepared) | |
| ad-lib(adjective, prepared, unprepared, impromptu) | |
| off-the-cuff(adjective, informal, impulsive, prepared) | |
| improvised(adjective, free, prepared, unprepared) | |
| fake(adjective, free, informal, casual) | |
| improv(adjective, free, casual, unprepared) | |
| improviso(adjective, free, unprepared, unplanned) | |
| informal(adjective, free, impromptu, unrehearsed) | |
| autoschediastic(adjective, free, casual, impulsive) | |
| extemporized(unprepared, unplanned, unrehearsed, unpremeditated) |
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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> |