8 entries under voluntarily topic. ×

5
freely(adverb, happily, willingly, deliberately)
2
by choice(expression, happily, freely, willingly, deliberately)
1
spontaneously(adverb, happily, freely, willingly, deliberately)
0
by preference(expression, happily, freely, willingly, deliberately)
0
deliberately(happily, freely, willingly)
0
intentionally(happily, freely, willingly, deliberately)
0
willingly(happily, freely, deliberately)
-1
without prompting(expression, happily, freely, willingly, deliberately)
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APASmart Define. (2016). optionally thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/optionally/thesaurus/synonyms
ChicagoSmart Define. 2016. "optionally thesaurus" https://smartdefine.org/optionally/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, optionally thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/optionally/thesaurus/synonyms>.
MLASmart Define. "optionally thesaurus" 30 March 2016. Web. 25 September 2026. <https://smartdefine.org/optionally/thesaurus/synonyms>