- Definitions|1
- Thesaurus|176
- Abbreviations|0
| tossed out(expression, free, informal, casual, snap) | |
| unarranged(adjective, spontaneous, unprepared, unplanned, unrehearsed) | |
| unconscious(adjective, impulsive, unprompted) | |
| unconsidered | |
| uncontrived(adjective, impulsive, unprompted) | |
| unscripted(spontaneous, unprepared, impromptu, unplanned, unrehearsed) | |
| unthinking(adjective, impulsive, rash) | |
| whipped up(expression, unprepared, unplanned, unrehearsed) | |
| winged(unprepared, unplanned, unrehearsed) | |
| winging it(expression, adjective, free, casual, unrehearsed) | |
| Band-Aid(spontaneous, unplanned, unpremeditated) | |
| accidental | |
| ad libitum | |
| arbitrary | |
| ardent(impulsive, rash, unthinking) | |
| artless(impulsive, unprompted) | |
| break loose(expression, impulsive, unprompted) | |
| dashed off(expression, unprepared, unplanned, unrehearsed) | |
| devil-may-care | |
| down(impulsive, unprompted) |
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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> |