2
easily(adverb, freely, usually, sincerely, simply)
2
haphazardly(adverb, extemporaneously)
2
independently
2
innately
2
pell-mell
2
unconsciously
2
unconstrainedly
2
unexpectedly
1
advisedly(willingly, openly, candidly)
1
angrily
1
as anticipated
1
as you please(expression, idiom, willingly, openly, candidly)
1
at will(expression, adjective, adverb, impulsive, impromptu)
1
barbarically
1
candidly(willingly, openly)
1
deliberately(adverb, happily, freely, willingly, openly)
1
designedly(willingly, openly, candidly)
1
desolately
1
extemporarily
1
fancy-free(willingly, openly, candidly)
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APASmart Define. (2015). spontaneously thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/spontaneously/thesaurus/synonyms
ChicagoSmart Define. 2015. "spontaneously thesaurus" https://smartdefine.org/spontaneously/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, spontaneously thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/spontaneously/thesaurus/synonyms>.
MLASmart Define. "spontaneously thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/spontaneously/thesaurus/synonyms>