- Definitions|3
- Thesaurus|465
- Abbreviations|0
94 entries under spontaneous topic. ×
| unofficial(adjective, simple, easy, plain, straightforward) | |
| unpremediated(adjective, simple, natural, casual, impulsive) | |
| unprompted(adjective, simple, natural, casual, impulsive) | |
| unrestrained(adjective, simple, easy, plain, straightforward) | |
| unsophisticated(adjective, simple, natural, casual, impulsive) | |
| up front(expression, adjective, simple, natural, casual) | |
| urbane(adjective, simple, easy, plain, straightforward) | |
| voluntary(adjective, simple, natural, casual, impulsive) | |
| willing(adjective, simple, natural, casual, impulsive) | |
| without ceremony(expression, adjective, simple, straightforward, casual) | |
| Band-Aid(unplanned, unpremeditated) | |
| fly-by-night(unplanned, unpremeditated) | |
| hit-or-miss(unplanned, unpremeditated) | |
| off your own bat(expression, idiom, willing, unforced) |
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| APA | Smart Define. (2015). extempore thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/extempore/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "extempore thesaurus" https://smartdefine.org/extempore/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, extempore thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/extempore/thesaurus/synonyms>. |
| MLA | Smart Define. "extempore thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/extempore/thesaurus/synonyms> |