- Definitions|1
- Thesaurus|176
- Abbreviations|0
30 entries under unprompted topic. ×
| spontaneous(noun, adjective, free, fake, informal) | |
| impulsive(noun, adjective, violent, natural, fierce) | |
| involuntary(noun, adjective, impulsive) | |
| instinctive(noun, impulsive) | |
| natural(adjective, impulsive) | |
| unconscious(adjective, impulsive) | |
| uncontrived(adjective, impulsive) | |
| artless | |
| break loose(expression, impulsive) | |
| down | |
| free spirited(expression, impulsive) | |
| from the hip(expression, idiom, impulsive) | |
| irresistible | |
| off top of head(expression, idiom, informal, impulsive, snap) | |
| simple | |
| unartful | |
| unavoidable | |
| unbidden | |
| uncompelled | |
| unconstrained |
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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> |