Synonyms|205Antonyms|75|Broader|5Narrower|14Related|245

40 entries under spontaneous topic. ×

3
unasked(adjective, feature, characteristic, free, deliberate)
3
unconstrained(adjective, feature, characteristic, free, deliberate)
3
volitional(adjective, feature, characteristic, free, deliberate)
3
willed(adjective, feature, characteristic, free, deliberate)
1
chargeless(adjective, free, paper, complimentary)
1
for nothing(expression, adjective, idiom, free)
1
opted(adjective, free, deliberate, natural, willing)
1
optional(adjective, free, deliberate, natural, willing)
1
unbidden(adjective, free, deliberate, natural, willing)
1
uncompelled(adjective, free, deliberate, natural, willing)
1
unprescribed(adjective, free, deliberate, natural, willing)
1
willful(adjective, free, deliberate, natural, willing)
1
wished(adjective, free, deliberate, natural, willing)
1
witting(adjective, free, deliberate, natural, willing)
0
artless(natural, voluntary)
0
effortless(natural, voluntary)
0
natural
0
unprompted(natural, voluntary)
0
unwitting(natural, voluntary)
0
willing(free, charitable, independent, gratis)
<12>
For more, visit Unpaid on Power Thesaurus
11 years ago|4.1k views|share |citing 
APASmart Define. (2015). unpaid thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unpaid/thesaurus/synonyms
ChicagoSmart Define. 2015. "unpaid thesaurus" https://smartdefine.org/unpaid/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, unpaid thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unpaid/thesaurus/synonyms>.
MLASmart Define. "unpaid thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/unpaid/thesaurus/synonyms>