82 entries under free topic. ×

3
freely(adjective, feature, characteristic, deliberate)
3
honorary(adjective, feature, characteristic, regard)
3
unpaid(adjective, feature, characteristic, deliberate)
2
deliberate(adjective, feature, characteristic, natural)
2
improv(adjective, simple, fake, informal)
2
improvisatory(informal, casual, impulsive, impulse)
2
improviso(informal, casual, unprepared, unplanned)
1
ad hoc(expression, casual, unplanned, unrehearsed)
1
at first glance(expression, informal, snap, unrehearsed)
1
autoschediastic(casual, impulsive, unprepared, impromptu)
1
by ear(expression, informal, casual, unrehearsed)
1
expedient(informal, casual, impulsive, snap)
1
fake(casual, impulsive, unprepared, impromptu)
1
gratis
1
jamming(informal, casual, impulsive, snap)
1
made-up(informal, casual, unrehearsed, improvised)
1
makeshift(informal, casual, impulsive, snap)
1
off the top of head(expression, idiom, informal, unrehearsed)
1
on-the-spot(informal, casual, impulsive, snap)
1
on impulse(expression, informal, casual, unrehearsed)
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APASmart Define. (2015). spontaneous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/spontaneous/thesaurus/synonyms
ChicagoSmart Define. 2015. "spontaneous thesaurus" https://smartdefine.org/spontaneous/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, spontaneous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/spontaneous/thesaurus/synonyms>.
MLASmart Define. "spontaneous thesaurus" 3 August 2015. Web. 29 September 2026. <https://smartdefine.org/spontaneous/thesaurus/synonyms>