55 entries under spontaneous topic. ×
| extemporized(adjective, informal, unprepared, unrehearsed) | |
| instinctive(noun, adjective, simple, natural, casual) | |
| natural(adjective, simple, casual, impulsive, willing) | |
| unarranged(adjective, unprepared, unrehearsed, unpremeditated) | |
| automatic(adjective, free, simple, fake, natural) | |
| free(adjective, simple, fake, natural, casual) | |
| off-the-cuff(adjective, simple, informal, natural, chance) | |
| autoschediastic(free, casual, impulsive, unprepared) | |
| break loose(expression, adjective, simple, natural, casual) | |
| down(adjective, simple, natural, casual, impulsive) | |
| fake(free, casual, impulsive, unprepared) | |
| free spirited(expression, adjective, simple, natural, casual) | |
| from the hip(expression, adjective, idiom, simple, natural) | |
| inevitable(adjective, simple, natural, casual, impulsive) | |
| irresistible(adjective, simple, natural, casual, impulsive) | |
| off top of head(expression, adjective, idiom, simple, natural) | |
| simple(adjective, natural, casual, impulsive, willing) | |
| toss off(expression, free, casual, impulsive) | |
| toss out(expression, free, casual, impulsive) | |
| unartful(adjective, simple, natural, casual, impulsive) |
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| APA | Smart Define. (2015). unplanned thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unplanned/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unplanned thesaurus" https://smartdefine.org/unplanned/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, unplanned thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unplanned/thesaurus/synonyms>. |
| MLA | Smart Define. "unplanned thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/unplanned/thesaurus/synonyms> |