- Definitions|1
- Thesaurus|381
- Abbreviations|0
| easily(adverb, freely, usually, sincerely, simply) | |
| haphazardly(adverb, extemporaneously) | |
| independently | |
| innately | |
| pell-mell | |
| unconsciously | |
| unconstrainedly | |
| unexpectedly | |
| advisedly(willingly, openly, candidly) | |
| angrily | |
| as anticipated | |
| as you please(expression, idiom, willingly, openly, candidly) | |
| at will(expression, adjective, adverb, impulsive, impromptu) | |
| barbarically | |
| candidly(willingly, openly) | |
| deliberately(adverb, happily, freely, willingly, openly) | |
| designedly(willingly, openly, candidly) | |
| desolately | |
| extemporarily | |
| fancy-free(willingly, openly, candidly) |
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| APA | Smart Define. (2015). spontaneously thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/spontaneously/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "spontaneously thesaurus" https://smartdefine.org/spontaneously/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, spontaneously thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/spontaneously/thesaurus/synonyms>. |
| MLA | Smart Define. "spontaneously thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/spontaneously/thesaurus/synonyms> |