- Definitions|0
- Thesaurus|43
- Abbreviations|0
| improvisation(noun, impulsiveness, unpreparedness) | |
| abruptness(noun, impulsiveness) | |
| ad lib | |
| disqualification | |
| haphazardness(noun, unpreparedness) | |
| hastiness(noun, impulsiveness) | |
| impromptu | |
| impulsiveness(noun, impulsiveness) | |
| incapability | |
| incompetence | |
| instantaneous(noun, impulsiveness) | |
| jury-rig | |
| makeshift | |
| rashness(noun, impulsiveness) | |
| reflexiveness(noun, impulsiveness) | |
| rough-and-readiness(noun, unpreparedness) | |
| spontaneity | |
| spontaneousness(noun, impulsiveness) | |
| stopgap | |
| unpreparedness(noun, unpreparedness) |
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| APA | Smart Define. (2015). extemporaneousness thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/extemporaneousness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "extemporaneousness thesaurus" https://smartdefine.org/extemporaneousness/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, extemporaneousness thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/extemporaneousness/thesaurus/synonyms>. |
| MLA | Smart Define. "extemporaneousness thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/extemporaneousness/thesaurus/synonyms> |