112 entries under spontaneous topic. ×
| down home(expression, adjective, simple, plain, modest) | |
| extempore(adjective, simple, straightforward, casual, impulsive) | |
| free-and-easy(adjective, simple, easy, plain, straightforward) | |
| free spirited(expression, adjective, simple, casual, impulsive) | |
| impetuous(adjective, simple, casual, impulsive, willing) | |
| improv(adjective, simple, easy, plain, straightforward) | |
| inconspicuous(adjective, simple, easy, plain, ordinary) | |
| inevitable(adjective, simple, casual, impulsive, willing) | |
| irresistible(adjective, simple, casual, impulsive, willing) | |
| laid back(expression, adjective, simple, straightforward, casual) | |
| mixed(adjective, simple, easy, plain, straightforward) | |
| motley(adjective, simple, easy, plain, straightforward) | |
| off-the-cuff(adjective, simple, straightforward, casual, impulsive) | |
| off top of head(expression, adjective, idiom, simple, casual) | |
| sporty(adjective, simple, easy, plain, straightforward) | |
| throwaway(adjective, simple, easy, plain, straightforward) | |
| unavoidable(adjective, simple, casual, impulsive, willing) | |
| unbidden(adjective, simple, casual, impulsive, willing) | |
| uncompelled(adjective, simple, casual, impulsive, willing) | |
| unfussy(adjective, simple, clean, plain, pure) |
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| APA | Smart Define. (2016). natural thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/natural/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "natural thesaurus" https://smartdefine.org/natural/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2016, natural thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/natural/thesaurus/synonyms>. |
| MLA | Smart Define. "natural thesaurus" 15 February 2016. Web. 30 September 2026. <https://smartdefine.org/natural/thesaurus/synonyms> |